Fire Ant Monarchy Ruled by ‘Social Chromosome’

Whether fire ants bow to one queen or accept many rulers depends on one long strand of genes, a new study finds.

The gene sequence is the first “social chromosome” ever discovered, according to study researcher Yannick Wurm of Queen Mary, University of London, who called the DNA sequence a “supergene.”

“This was a very surprising discovery,” Wurm said in a statement. “Similar differences in chromosomal structure are linked to wing patterns in butterflies and to cancer in humans, but this is the first supergene ever identified that determines social behavior.”

Choosing queens

The fire ant Selenopsis invicta is one of many fire ant species known for nasty stings. The species is native to South America and invasive elsewhere. One of its odder traits is a particular flexibility about its social structure. Some members of the species live in colonies with a single queen, while others tolerate hundreds of queens. [Gallery: Stunning Photos of the World's Ants]

The new genetic analysis, published Thursday (Jan. 17) in the journal Nature, finds that a sequence of genes on a certain chromosome determines which social arrangement is acceptable to the ants. Much in the same way that the human sex chromosomes vary between X and Y, the ant chromosomes vary between B and b.

If all the workers in a colony carry the B variant only, they will accept a single queen that also carries only the B variant (marked as BB, because the chromosomes come in pairs). But if some workers in the colony carry the b version of the chromosome, the colony will accept multiple queens — but only those queens with a mismatched “Bb” set of chromosomes.

Smelly queens?

The chromosomal differences have been linked to a number of anatomical differences in the ants, Wurm and his colleagues wrote, from the queen’s fecundity to the size of male workers and the structure of their sperm. These differences could explain how the ants “know” what sort of monarchy to accept.

“Odor is likely involved,” Wurm told LiveScience. “We know the queens smell different.”

The two different genes may also confer their own advantages. BB queens mate and disperse to their own colonies when they reach maturity, making them good at invading new areas, the researchers wrote. Bb queens join others near their maternal colony and, working together, produce more workers overall. This might make them more successful in previously colonized areas.

Wurm and his colleagues plan to dig deeper into the chromosome to find out which of the 616 genes in the social sequence are responsible for the differences between ants. They also hope to find out if similar sequences play social roles in other species. And the differences aren’t just academic. The fire ants have spread into the southern United States as well as Australia and China, where they are major pests.

“Our discovery could help in developing novel pest-control strategies,” Wurm said. “For example, a pesticide could artificially deactivate the genes in the social chromosome and induce social anarchy within the colony.”

Follow Stephanie Pappas on Twitter @sipappas or LiveScience @livescience. We’re also on Facebook & Google+.

Copyright 2013 LiveScience, a TechMediaNetwork company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
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Gruesome toll of cluster bombs in Syria

STORY HIGHLIGHTS

• Human Rights Watch says cluster bombs were used on Syrian town of Latamneh


• Cluster bombs release dozens of smaller bombs, which can maim or kill long after impact


• Syrian regime has previously denied cluster bombs on civilians

Editor's note: Mary Wareham is the Arms Division's Advocacy Director for Human Rights Watch and chief editor of 'Cluster Munition Monitor 2012.'

(CNN) -- It was cloudy the afternoon of January 3 when residents say the cluster bombs fell on the Syrian town of Latamneh.

Three rockets containing the cluster munitions fell in nearby fields, apparently doing no harm, but a fourth landed on the street between residential buildings. Its impact was devastating.

One man was driving down the street when submunitions from the rockets exploded, killing him instantly, residents said. Fifteen civilians walking down the street or in their homes were wounded, including women and children, according to two residents and video evidence. Residents said that an hour after the attack, a submunition that had failed to detonate on impact killed a man who tried to remove it from his yard. It exploded in his hands.

Mary Wareham

Since mid-2012, Human Rights Watch and others have reported several times on civilian casualties caused by Syrian use of air-dropped cluster bombs, but Latamneh and other recent attacks are the first known instances of Syrian use of ground-based cluster munitions. The rockets were apparently launched from the vicinity of nearby Hama airport, which is under government control.

Evidence we have seen suggests that Syrian government forces delivered the 122mm cluster munition rockets containing submunitions using a BM-21 Grad multi-barrel rocket launcher, a truck-mounted system capable of firing 40 rockets nearly simultaneously with a range of 4 to 40 kilometers (2.5 to 25 miles). Grad rocket launchers are notorious for their inability to be accurately targeted due to their lack of a guidance system. This exacerbates the danger from the wide-area effect of the submunitions the rockets contain.

More: Syrian regime denies use of cluster bombs

Many countries, including Lebanon and Cambodia, have experienced civilian casualties from similar types of submunitions, both at the time of attack and from submunitions that didn't explode on initial impact. Each submunition is the size of a D-cell battery with a distinctive white ribbon, and the design of their fuze system makes each one very sensitive and liable to detonate if disturbed.

After years of civilian harm caused by cluster munitions, Israel's massive use of the weapons in southern Lebanon in 2006 helped propel governments into action. Working with civil society groups such as Human Rights Watch and international organizations, a broad-based coalition of like-minded governments sought to do something to reduce the unacceptable harm caused by cluster munitions.

The resulting Convention on Cluster Munitions, adopted May 30, 2008, comprehensively prohibits cluster munitions and requires their clearance and assistance to victims. A total of 111 nations, including many former users, producers, and stockpilers of the weapon, as well as countries contaminated by cluster munition remnants, have embraced the ban convention.

Yet there has been limited interest in the Middle East and North Africa regions, where just three countries—Iraq, Lebanon, and Tunisia—are onboard the treaty banning cluster bombs. Some nations, such as Jordan, say they need more time to study the convention's provisions, while others including Egypt, Iran, and Israel have produced, imported, exported, and stockpiled cluster munitions.

The 122mm cluster munition rockets used by Syria bear the markings of the Egyptian state-owned Arab Organization for Industrialization and an Egyptian company called Sakr Factory for Development Industries. Syria could have bought these cluster munitions from Egypt, received them through military cooperation, or acquired them another way. With no transparency, it is impossible to say how or when they were made or transferred, though it is likely Syria acquired them long ago.

Syria's relentless use of cluster munitions, including in populated areas, is yet another sign of its blatant disregard for international law and the protection of its own civilians. Syria's use of cluster munitions runs counter to the new international standard being created by the Convention on Cluster Munitions, rejecting any use of the weapons.

The preventive impact of the convention and the standard it is establishing can already be seen as countries that have joined the ban rapidly destroy their stockpiles of cluster munitions.

In Syria, every time the government has used cluster munitions and other explosive weapons, a lethal legacy of unexploded ordnance is created. Given the terrible humanitarian impact, all governments, regardless of their position on joining the ban convention, should press Syria to stop using cluster munitions.

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Obama unveils biggest gun-control push in decades

At the White House earlier today President Obama unveiled a set of gun control measures intended to prevent and reduce violence in the wake of the massacre at Sandy Hook Elementary School in Newtown, CT. (Posted: January 16, 2013).

WASHINGTON—

President Barack Obama proposed a new assault weapons ban and mandatory background checks for all gun buyers on Wednesday as he tried to channel national outrage over the Newtown school massacre into the biggest U.S. gun-control push in decades.

Rolling out a wide-ranging plan for executive and legislative action to curb gun violence, Obama set up a fierce clash with the powerful U.S. gun lobby and its supporters in Congress, who will resist what they see as an encroachment on constitutionally protected gun rights.

Obama presented his agenda at a White House event in front of an audience that included relatives of some of the 20 first-graders who were killed along with six adults by a gunman on December 14 at Sandy Hook Elementary School in Newtown, Connecticut.

"We can't put this off any longer," Obama said, vowing to use "whatever weight this office holds" to make his proposals reality. "Congress must act soon."

Until now, Obama had done little to rein in America's gun culture during his first four years in office. But just days before his second inauguration, he appears determined to champion gun control in his next term with a concerted drive for tighter laws and other steps aimed at preventing new tragedies like the one at Newtown.

The proposals stem from a month-long review led by Vice President Joe Biden, who on orders from Obama met with advocates on both sides, including representatives from the weapons and entertainment industries.

Obama's plan calls on Congress to renew a prohibition on assault weapons sales that expired in 2004, a requirement for criminal background checks on all gun purchases, including closing a loophole for gun show sales, and a new federal gun trafficking law - long sought by big-city mayors to keep out-of-state guns off their streets.

He also announced 23 steps he intends to take immediately without congressional approval. These include improvements in the existing system for background checks, lifting the ban on federal research into gun violence, putting more counselors and "resource officers" in schools and better access to mental health services.

ASSAULT WEAPONS BATTLE

The most politically contentious piece of the package is Obama's call for a renewed ban on military-style assault weapons, a move that Republicans who control the House of Representatives are expected to oppose.

The Newtown gunman, 20-year-old Adam Lanza, used a Bushmaster AR-15 type assault rifle to shoot his victims, many of them 6- and 7-year-olds, before killing himself.

Underscoring the tough political fight ahead, the National Rifle Association, launched a scathing advertising campaign against Obama's gun control effort and deployed its representatives in force on Capitol Hill.

The NRA, which says it has about 4 million members, took aim at Obama in a stinging TV and Internet spot, accusing him of being "just another elitist hypocrite" for accepting Secret Service protection for his two daughters but turning down the lobby group's proposal to put armed guards in all schools.

As he announced the new gun measures, Obama was flanked on the stage by children from around the country chosen from among those who sent letters to him about gun violence and school safety.

"We should learn from what happened at Sandy Hook. I feel really bad," a boy wrote in a portion that Obama read from the podium.

With gun ownership rights enshrined in the U.S. Constitution, gun restrictions have long been a divisive - and risky - issue in American politics.

But polls show that public sentiment shifted in favor of increased gun-control measures after the Newtown shooting, and Obama hopes to take advantage while there is a mood for action in Washington.

However, the White House is mindful that the clock is ticking. The usual pattern after U.S. shooting tragedies is that memories of the events soon fade, making it hard to sustain a push for gun policy changes.

Obama acknowledged the political challenges but made clear that he is prepared to take on the NRA, despite its widespread support among Republicans and significant backing among Democrats.

He warned that opponents of his effort would try to "gin up fear" and urged lawmakers to think more about the safety of schoolchildren than trying to "get an 'A' grade from the gun lobby that supports their campaign."

Obama's plan appears to tread cautiously on the question of whether violent movies and video games contribute to the gun violence, which would open up issues of freedom of expression.

A senior administration official said, however, that Obama would be asking for $10 million for the U.S. Centers for Disease Control and Prevention to study the root causes of gun violence, including any relationship to video games and media images.

Seeking to jump-start his plan, Obama also nominated Todd Jones to head the Bureau of Alcohol, Tobacco and Firearms, quietly abandoning Andrew Traver, whose nomination for the job has long been stalled. Jones is currently the acting director of the law enforcement agency.

(Additional reporting by Jeff Mason, Steve Holland, Roberta Rampton, Thomas Ferraro; Editing by Alistair Bell and Paul Simao)

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Dozens held after Islamists attack Algerian gas field

ALGIERS (Reuters) - Islamist militants attacked a gas field in Algeria on Wednesday, claiming to have kidnapped up to 41 foreigners including seven Americans in a dawn raid in retaliation for France's intervention in Mali, according to regional media reports.

The raiders were also reported to have killed three people, including a Briton and a French national.

An al Qaeda affiliated group said the raid had been carried out because of Algeria's decision to allow France to use its air space for attacks against Islamists in Mali, where French forces have been in action against al Qaeda-linked militants since last week.

The attack in southern Algeria also raised fears that the French action in Mali could prompt further Islamist revenge attacks on Western targets in Africa, where al Qaeda in the Islamic Maghreb (AQIM) operates across borders in the Sahara desert, and in Europe.

AQIM said it had carried out Wednesday's raid on the In Amenas gas facility in OPEC member Algeria, Mauritania's ANI news agency reported.

The Algerian interior ministry said: "A terrorist group, heavily armed and using three vehicles, launched an attack this Wednesday at 5 a.m. against a Sonatrach base in Tigantourine, near In Amenas, about 100 km (60 miles) from the Algerian and Libyan border."

"The Algerian authorities will not respond to the demands of the terrorists and will not negotiate," Interior Minister Daho Ould Kablia was quoted as saying by official news agency APS.

The gas field is operated by a joint venture including BP, Norwegian oil firm Statoil and Algerian state company Sonatrach.

ARMED MEN

BP said armed men were still occupying facilities at the gas field, which produces 9 billion cubic meters of gas a year(160,000 barrels of oil equivalent per day), more than a tenth of the country's overall gas output, and 60,000 barrels a day of condensate.

"The site was attacked and occupied by a group of unidentified armed people at about 0500 UK time. Contact with the site is extremely difficult, but we understand that armed individuals are still occupying the In Amenas operations site," it said.

A spokesman for BP said it usually had fewer than 20 people working at the site but would not be drawn on whether there were any talks with the hostage takers. He said: "Obviously we are doing everything we can to make sure our people are okay."

APS said a Briton and an Algerian security guard had been killed and seven people were injured. A French national was also killed in the attack, a local source said.

Also among those reported kidnapped by various sources were five Japanese nationals working for the Japanese engineering firm JGC Corp, a French national, an Austrian, an Irishman, and a number of Britons.

The U.S. State Department said it believed some U.S. citizens were also among the hostages, while Norwegian Prime Minister Jens Stoltenberg said 13 employees of Statoil, a minority shareholder in the gas venture, were being held.

A member of an Islamist group styling itself the "Blood Battalion" was quoted by Mauritanian media as saying that five of the hostages were being held at the gas facility and 36 were in a housing area. APS said the Islamist raiders had freed Algerians working at the gas facility, though Regis Arnoux, head of French company CIS Catering, told JDD weekly newspaper that 150 Algerian employees of his company were being held at the site.

"The operation was in response to the blatant interference by Algeria and the opening of its air space to French aircraft to bomb northern Mali," the Islamist spokesman told Mauritania's ANI news agency.

ANI, which has regular direct contact with Islamists, said that fighters under the command of Mokhtar Belmokhtar were holding the foreigners.

Interior Minister Kablia also told APS that Belmokhtar was leading the group of about 20 individuals, whom he said were not from Mali, Libya or "any other neighboring state".

Belmokhtar, dubbed by French intelligence as "the uncatchable", for years commanded al Qaeda fighters in the Sahara before setting up his own armed Islamist group late last year after an apparent fallout with other militant leaders.

The Algerian army was in the area of the gas facility, according to French and Algerian sources.

ANI reported that the Islamists said they were surrounded by Algerian forces and warned that any attempt to free the hostages would lead to a "tragic end". One of the hostage takers told ANI that the perimeter of the site had been mined.

SECURITY IMPLICATIONS

The attack was the first time in years that Islamist militants are known to have launched an attack on an Algerian energy facility.

The attack could have implications for security across the whole of Algeria's energy sector, which supplies about a quarter of Europe's natural gas imports and exports millions of barrels of crude oil each year.

Such an attack would require a large and heavily armed insurgent force with a degree of freedom to move around, all elements that al Qaeda has not previously had.

However, the conflict in neighboring Libya in 2011 changed the balance of force. Security experts say al Qaeda was able to obtain arms, including heavy weapons, from the looted arsenals of former leader Muammar Gaddafi.

The five Japanese work for the engineering firm JGC Corporation, Jiji news agency reported, quoting company officials. JGC has a deal with Sonatrach-BP-Statoil Association for work in gas production at In Amenas.

A reporter for Japan's NHK television managed to call a JGC worker in Algeria.

The worker said he got a phone call from a colleague at the gas field. "It was around 6 a.m. this morning. He said that he had been hearing gunshots for about 20 minutes. I wasn't able to get through to him since."

French troops launched their first ground operation against Islamist rebels in Mali on Wednesday in an action to dislodge from a strategic town al Qaeda-linked fighters who have resisted six days of air strikes.

(Additional reporting by Catherine Bremer and John Irish in Paris, Laurent Prieur in Nouakchott, Andrew Osborn in London, Balazs Koranyi in Oslo, Antoni Slodkowski in Tokyo, Raissa Kasolowsky in Abu Dhabi and Christian Lowe in Warsaw; Editing by Giles Elgood and Will Waterman)

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Wall Street flat as Apple down again but retailers rise

ROME (Reuters) - Archbishop Georg Ganswein, Pope Benedict's private secretary, who has been dubbed "Gorgeous George" by the Italian media, is now a real-life cover boy. The prelate has landed on the cover of Vanity Fair. The cover on the Italian edition of the magazine shows the 56-year-old archbishop smiling, his blue eyes beaming, above a headline that reads "Father Georg - It's not a sin to be beautiful. ...

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Winfrey says Armstrong interview 'intense'

AUSTIN, Texas (AP) — "Emotional" doesn't come close to describing Lance Armstrong's conversation with Oprah Winfrey — an interview that included his confession about using performance-enhancing drugs to win seven Tour de France titles, Winfrey said Tuesday.

She recounted her session with Armstrong on "CBS This Morning" and promoted what has become a two-part special on her OWN network, even while international doping officials said it wouldn't be enough to save the disgraced cyclist's career.

"I don't think 'emotional' begins to describe the intensity or the difficulty he experienced in talking about some of these things," Winfrey said.

Armstrong admitted during the interview at an Austin hotel that he used drugs to help him win the titles.

"It was surprising to me," she said. "I would say that for myself, my team, all of us in the room, we were mesmerized and riveted by some of his answers."

Winfrey said she went right at Armstrong with tough questions and, during a break, he asked if they would lighten up at some point. Still, Winfrey said she did not have to dig and that he was "pretty forthcoming."

"I felt that he was thoughtful. I thought that he was serious," she said. "I thought that he certainly had prepared for this moment. I would say that he met the moment."

The session was to be broadcast in a single special Thursday but Winfrey said it will now run in two parts on consecutive nights — Thursday and Friday — because there is so much material. Winfrey would not characterize whether Armstrong seemed contrite, saying she'll leave that to viewers.

As stunning as Armstrong's confession was for someone who relentlessly denied using PEDs, the World Anti-Doping Agency said he must confess under oath if he wants to reduce his lifetime ban from sports.

The cyclist was stripped of his Tour titles, lost most of his endorsements and was forced to leave his cancer charity, Livestrong, last year after the U.S. Anti-Doping Agency issued a 1,000-page report that accused him of masterminding a long-running doping scheme.

WADA's statement said: "Only when Mr. Armstrong makes a full confession under oath — and tells the anti-doping authorities all he knows about doping activities — can any legal and proper process for him to seek any reopening or reconsideration of his lifetime ban commence."

The International Cycling Union, or UCI, also issued a statement, urging Armstrong to tell his story to an independent commission it has set up to examine claims that cycling's governing body hid suspicious samples from the cyclist, accepted financial donations from him and helped him avoid detection in doping tests.

Before the Winfrey interview, Armstrong visited the headquarters of Livestrong, the charity he founded in 1997 and turned into a global force on the strength of his athletic dominance and personal story of surviving testicular cancer that had spread to his lungs and brain.

"I'm sorry," Armstrong told about 100 staff members gathered in a conference. He choked up during the 20-minute talk, expressed regret for the long-running controversy tied to performance-enhancers, but stopped short of admitting he used them.

"Heartfelt and sincere," is how Livestrong spokeswoman Katherine McLane described his speech.

Winfrey has promoted her interview, one of the biggest for OWN since she launched the network in 2011, as a "no-holds barred" session and said she was ready to go with 112 questions. Not all of them were asked, she said, but many were.

USADA chief executive Travis Tygart, a longtime critic of Armstrong's, called the drug regimen practiced while Armstrong led the U.S. Postal Service team "the most sophisticated, professionalized and successful doping program that sport has ever seen." USADA did not respond to requests for comment about Armstrong's confession.

Armstrong often went after his critics during his long reign as cycling champion. He scolded some in public and didn't hesitate to punish outspoken riders during the race itself. He waged legal battles against still others in court.

At least one of his opponents, the London-based Sunday Times, has already filed a lawsuit to recover about $500,000 it paid him to settle a libel case, and Dallas-based SCA Promotions, which tried to deny Armstrong a promised bonus for a Tour de France win, has threatened to bring another lawsuit seeking to recover more than $7.5 million awarded by an arbitration panel.

In Australia, the government of South Australia state said it will seek the repayment of several million dollars in appearance fees paid to Armstrong for competing in the Tour Down Under in 2009, 2010 and 2011.

"We'd be more than happy for Mr. Armstrong to make any repayment of monies to us," South Australia Premier Jay Weatherill said.

Betsy Andreu, the wife of former Armstrong teammate Frankie Andreu, was one of the first to publicly accuse Armstrong of using performance-enhancing drugs. She called news of Armstrong's confession "very emotional and very sad," and choked up when asked to comment.

"He used to be one of my husband's best friends and because he wouldn't go along with the doping, he got kicked to the side," she said. "Lance could have a positive impact if he tells the truth on everything. He's got to be completely honest."

Betsy Andreu testified in SCA's arbitration case challenging the bonus in 2005, saying Armstrong admitted in an Indiana hospital room in 1996 that he had taken many performance-enhancing drugs, a claim Armstrong vehemently denied.

"It would be nice if he would come out and say the hospital room happened," Andreu said. "That's where it all started."

Former teammate Floyd Landis, who was stripped of the 2006 Tour de France title for doping, has filed a federal whistle-blower lawsuit that accused Armstrong of defrauding the U.S. Postal Service. An attorney familiar with Armstrong's legal problems told the AP that the Justice Department is highly likely to join the lawsuit. The False Claims Act lawsuit could result in Armstrong paying a substantial amount of money to the U.S. government. The deadline for the department to join the case is Thursday, though the department could seek an extension if necessary.

According to the attorney, who works outside the government, the lawsuit alleges that Armstrong defrauded the U.S. government based on his years of denying use of performance-enhancing drugs. The attorney spoke on condition of anonymity because the source was not authorized to speak on the record about the matter.

The lawsuit most likely to be influenced by a confession might be the Sunday Times case. Potential perjury charges stemming from Armstrong's sworn testimony in the 2005 arbitration fight would not apply because of the statute of limitations. Armstrong was not deposed during the federal investigation that was closed last year.

Armstrong is said to be worth around $100 million. But most sponsors dropped him after USADA's scathing report — at the cost of tens of millions of dollars — and soon after, he left the board of Livestrong.

After the USADA findings, he was also barred from competing in the elite triathlon or running events he participated in after his cycling career. WADA Code rules state his lifetime ban cannot be reduced to less than eight years. WADA and U.S. Anti-Doping officials could agree to reduce the ban further depending on what information Armstrong provides and his level of cooperation.

___

Litke reported from Chicago. Pete Yost in Washington also contributed to this report.

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More than 3,500 U.S. Weather Records Smashed in 2012

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Are gun curbs just symbolism?

STORY HIGHLIGHTS

• Gun violence recommendations are expected from Vice President Biden on Tuesday


• The proposals are expected to contain substantive and symbolic ideas to curb gun violence


• Presidents use symbolism to shift public opinion or affect larger political or social change

Washington (CNN) -- The pictures told the story: Vice President Joe Biden looked solemn, patrician and in control as he sat at a long table in the White House, flanked by people on both sides of the gun control issue.

The images conveyed a sense that the White House was in command on this issue.

And that's the point. Historically, presidential administrations have used symbolic imagery—at times coupled with marginal actions—to shift public opinion or affect larger political or social change.

"Politics is a risk taking project," said Julian Zelizer, a Princeton University historian and CNN contributor. "They put together these commissions in response to some crisis. You try a hundred things and hope something works."

As Biden's gun control task force recommendations land on the desk of President Barack Obama, political experts say it is important that his administration sends a clear signal that it has things in hand.

Obama says gun lobby stokes fear of federal action

That is especially critical in what will likely be an uphill battle to push specific changes, like an assault weapons ban, as part of a broader effort on gun control.

The first move in the image battle will be to appear to move quickly and decisively.

"You have to give the Obama administration credit for one thing: They've learned from history to do things quickly," Larry Sabato, director of the University of Virginia's Center for Politics, said of previous task force initiatives that fizzled.

In 2010, Obama appointed a bipartisan commission headed by former Republican Sen. Alan Simpson of Wyoming and Erskine Bowles, a former Democratic White House chief of staff, to come up with a proposal to balance the budget and cut the debt.

Like the gun task force, Simpson-Bowles reviewed current regulations, gathered input from the public and engaged in tense internal conversations. But after months of working on a proposal—a blend of steep revenue increases and spending cuts—the group struggled to agree to a solution. The president did not take up the recommendations.

Obama largely avoided the issue of gun control during his first term.

He wrote an opinion piece two months after the 2011 assassination attempt on Rep. Gabrielle Giffords of Arizona, acknowledging the importance of the Second Amendment right to bear arms. In the piece he also called for a focus on "effective steps that will actually keep those irresponsible, law-breaking few from getting their hands on a gun in the first place."

Newtown searches for answers a month later

But in the aftermath of that shooting and as the election season loomed, the Justice Department backed off from a list of recommendations that included a measure designed to help keep mentally ill people from getting guns.

For now, at least, there is a sense in Washington that the Newtown, Connecticut, school shooting where 26 people -- 20 of them young children -- were slaughtered could lead to meaningful legislative reform.

Public opinion would seem to suggest that the White House efforts are well timed.

In the month since the massacre, a new poll showed the percentage of Americans who said they were dissatisfied with America's gun laws has spiked.

The Gallup survey released on Monday showed 38% of Americans were dissatisfied with current gun regulations, and wanted stricter laws. That represented 13-point jump from one year ago, when 25% expressed that view. "You want to strike while the iron is hot," Sabato said. "We Americans have short attention spans and, as horrible as the Newtown shooting was, will anyone be surprised if we moved along by spring?"

The White House has since worked overtime to show it considers gun control an urgent matter.

The vice president has spent the last week meeting with what the White House calls "stakeholders" in the gun control debate.

On Monday, Biden was to meet with members of a House Democratic task force on guns, along with Attorney General Eric Holder, Homeland Security Secretary Janet Napolitano, and Kathleen Sebelius, the secretary of Health and Human Services.

Universal background check: What does it mean?

In a series of face to face discussions on Thursday, Biden sat down with the National Rifle Association and other gun owners groups before conferring with representatives from the film and television industry.

In a sign the White House is prepared to move aggressively on its proposals, Biden made public comments just before meeting with the National Rifle Association, the country's most powerful gun lobby.

"Putting the vice president in charge of (the task force) and having him meeting with these groups is intended to show seriousness and an effort to reach out and respond to concerns and wishes of various groups," said Alan Abramowitz, a political science professor at Emory University.

Still, the NRA expressed disappointment in its discussion with Biden and later released a statement that accused the administration of mounting "an agenda to attack the Second Amendment."

Organizations seeking tougher gun control laws insist an assault weapons ban is critical to addressing the nation's recent rash of mass shootings. However, such a ban could be difficult in a Congress mired in gridlock.

"The bully pulpit is limited. It's hard for the president to sustain that momentum," Zelizer said of the White House's gun control efforts after the Newtown shootings. "The thing about symbolism is, like the shock over Newtown, they fade quickly."

Newtown opens eyes to other gun violence against young people

CNN's Jim Acosta and Kevin Liptak contributed to this report

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Facebook adding search feature

Chicago Tribune social media editor Scott Kleinberg discusses the new search feature that Facebook revealed today. (Posted on: Jan. 15, 2013)

Facebook Inc. CEO Mark Zuckerberg unveiled on Tuesday a feature to help its users search for people and places within the social network, in the company's first major product launch since its May initial public offering.

Speaking to reporters at its Menlo Park, Calif. headquarters, Zuckerberg revealed "graph search," which allows users to sort through only content that has been shared with them -- addressing potential privacy concerns.

Available as a beta or early version to hundreds of thousands of users now, the new feature -- dubbed "graph search" because Facebook refers to its growing content, data and membership as the "social graph" -- will initially let users browse mainly photographs, people, places and members' interests, he added.

Zuckerberg promised users will be able to tailor their searches, such as by specifying music and restaurants that their friends like, or their favorite dentist. The reverse is also possible, such as discovering friends who have an interest in a particular topic.

Facebook may explore ways to earn revenue off of the service in the future, he added.

"You need to be able to ask the query, like, who are my friends in San Francisco," Zuckerberg said. "Graph search is a really big product. It's going to take years and years to index the whole map of the graph and everything we have out there."

"We'll start rolling it out very slowly. We're looking forward to getting it into more people's hands over coming weeks and months."

Critics have long deemed the social network's current search capabilities inadequate. Zuckerberg stressed Facebook was not getting into Internet searches, Google Inc's specialty.

But the news drove shares in Yelp Inc, which focuses on pooling customer reviews of restaurants and other popular services, about 7.1 percent lower. Wedbush Securities analyst Michael Pachter argued that recommendations from trusted friends were more valuable than from strangers on the Web.

"The initial focus is on getting users more engaged, so this is making Facebook more useful and sticky," Pachter said. "I don't see a revenue model initially, but think ultimately, search makes user activity even more relevant to advertisers, and allows greater focus."

MAKING MONEY

The world's largest online social network, with more than one billion users, Facebook is moving to regain Wall Street's confidence in the wake of a rocky IPO and concerns about its long-term money-making prospects.

Central to its efforts is devising new ways to make money from users who are migrating to mobile devices. Zuckerberg said the company is working on that front.

Speculation approached fever pitch over the past week about what Facebook planned to reveal in its highest-profile news briefing since its market debut. Guesses had ranged from a long-rumored smartphone to a full Web-search product.

That anticipation, as well as expectations of strong fourth-quarter financial results, helped boost Facebook's stock. Its shares are up more than 15 percent since the start of the year.

On Tuesday, its stock slid 2 percent at $30.30, giving up some of its recent gains.

"The search function on Facebook was basic and as such, a wasted opportunity given Facebook's imperative to strengthen advertising revenues," said Ovum Research analyst Eden Zoller.

Zuckerberg said he could foresee a business in search over time, but analysts advised caution. Facebook has come under fire numerous times for unclear privacy guidelines.

"Facebook graph search will no doubt leverage member data to provide advertisers with more targeted, personalized advertising opportunities going forward. But Facebook needs to tread very carefully here and be mindful of user privacy," Zoller said.

FB data by YCharts

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France to stay in Mali until stability restored

BAMAKO/DUBAI (Reuters) - France will end its intervention in Mali only once stability has returned to the West African country, French President Francois Hollande said on Tuesday, raising the prospects of a costly, drawn-out operation against al Qaeda-linked rebels.

Paris has poured hundreds of soldiers into Mali and carried out air raids since Friday in the northern half of the country, which Western and regional states fear could become a base for attacks by Islamist militants in Africa and Europe.

Thousands of African troops are due to take over the offensive but regional armies are scrambling to accelerate the operation - initially not expected for months and brought forward by France's bombing campaign aimed at stopping a rebel advance on a strategic town last week.

"We have one goal. To ensure that when we leave, when we end our intervention, Mali is safe, has legitimate authorities, an electoral process and there are no more terrorists threatening its territory," Hollande told a news conference during a visit to the United Arab Emirates.

Foreign Minister Laurent Fabius, accompanying Hollande, said the offensive against the Malian rebels could take some time, and the current French level of involvement could last weeks. Elections, however, would take months to organize.

French aircraft earlier hit rebels with fresh air strikes and a column of dozens of French armored vehicles rumbled into the dusty riverside capital of Bamako overnight, bringing to about 750 the number of French troops in Mali.

Paris has said it plans to deploy 2,500 soldiers in its former colony to bolster the Malian army and work with the intervention force provided by West African states.

West African defense chiefs met in Bamako on Tuesday to approve plans for speeding up the deployment of 3,300 regional troops, foreseen in a United Nations-backed intervention plan to be led by Africans.

Nigeria pledged to deploy soldiers within 24 hours and Belgium said it was sending transport planes and helicopters to help, but West Africa's armies need time to become operational.

Mali's north, a vast and inhospitable area of desert and rugged mountains the size of Texas, was seized last year by an Islamist alliance combining al Qaeda's north African wing AQIM with splinter group MUJWA and the home-grown Ansar Dine rebels.

Any delay in following up on the French air bombardments of Islamist bases and fuel depots with a ground offensive could allow the insurgents to slip away into the desert and mountains, regroup and counter-attack.

The rebels, who French officials say are mobile and well-armed, have shown they can hit back, dislodging government forces from Diabaly, 350 km (220 miles) from Bamako on Monday.

Residents said the town was still under Islamist control on Tuesday despite a number of air strikes that shook houses.

An eye witness near Segou, to the south, told Reuters he had seen 20 French Special Forces soldiers driving toward Diabaly.

Malians have largely welcomed the French intervention, having seen their army suffer a series of defeats by the rebels.

"With the arrival of the French, we have started to see the situation on the front evolve in our favor," said Aba Sanare, a resident of Bamako.

QUESTIONS OVER READINESS

Aboudou Toure Cheaka, a senior regional official in Bamako, said the West African troops would be on the ground in a week.

The original timetable for the 3,300-strong U.N.-sanctioned African force - to be backed by western logistics, money and intelligence services - did not initially foresee full deployment before September due to logistical constraints.

Senegal, Burkina Faso, Niger, Nigeria and Guinea have all offered troops. Col. Mohammed Yerima, spokesman for Nigeria's defense ministry, said the first 190 soldiers would be dispatched within 24 hours.

But Nigeria, which is due to lead the mission, has already cautioned that even if some troops arrive in Mali soon, their training and equipping will take more time.

Sub-Saharan Africa's top oil producer, which already has peacekeepers in Sudan's Darfur and is fighting a bloody and difficult insurgency at home against Islamist sect Boko Haram, could struggle to deliver on its troop commitment of 900 men.

One senior government adviser in Nigeria said the Mali deployment was stretching the country's military.

"The whole thing's a mess. We don't have any troops with experience of those extreme conditions, even of how to keep all that sand from ruining your equipment. And we're facing battle-hardened guys who live in those dunes," the adviser said, asking not to be named because of the sensitivity of the subject.

FRENCH LINING UP SUPPORT

France, which has repeatedly said it has abandoned its role as the policeman of its former African colonies, said on Monday that the U.S., Canada, Denmark and Germany had also offered logistical support.

Fabius has said Gulf Arab states would help the Mali campaign while Belgium said on Tuesday it would send two C130 transport planes and two medical helicopters to Mali following a request from Paris.

A meeting of donors for the operation was expected to be held in Addis Ababa at the end of January.

Security experts have warned that the multinational intervention in Mali, couched in terms of a campaign by governments against "terrorism", could provoke a jihadist backlash against France and the West, and African allies.

U.S. officials have warned of links between AQIM, Boko Haram in Nigeria and al Shabaab Islamic militants fighting in Somalia.

Al Shabaab, which foiled a French effort at the weekend to rescue a French secret agent it was holding hostage, urged Muslims around the world to rise up against what it called "Christian" attacks against Islam.

"Our brothers in Mali, show patience and tolerance and you will win. War planes never liberate a land," Sheikh Ali Mohamud Rage, al Shabaab's spokesman, said on a rebel-run website.

U.S. officials said Washington was sharing information with French forces in Mali and considering providing logistics, surveillance and airlift capability.

"We have made a commitment that al Qaeda is not going to find any place to hide," U.S. Defense Secretary Leon Panetta told reporters as he began a visit to Europe. Panetta later said the U.S. had no plans to send troops to Mali.

"I don't know what the French endgame is for this. What is their goal? It reminds me of our initial move into Afghanistan," a U.S. military source told Reuters.

"Air strikes are fine. But pretty soon you run out of easy targets. Then what do you do? What do you do when they head up into the mountains?"

(Additional reporting by Elizabeth Pineau and Raissa Kasolowsky in Abu Dhabi; Felix Onuah in Abuja and Tim Cocks in Lagos; Abdi Sheikh in Mogadishu; Michelle Nichols Louis Charbonneau at the United Nations; Richard Valdmanis in Dakar; Joe Bavier in Abidjan; Jan Vermeylen in Brussels; Writing by Pascal Fletcher and David Lewis; editing by Richard Valdmanis and Giles Elgood)

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