Firearm instructor Clark Aposhian conducts a concealed-weapons class for teachers, sponsored by the Utah Shooting Sports Council, in West Valley City, Utah. Across the country, school districts and other entities are hoping to better prepare staff to respond in a shooting situation.
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Former Prime Minister Silvio Berlusconi (left) has returned to Italy's political scene in advance of next month's election. Also in the race is the current Prime Minister Mario Monti (right). They are shown here in November 2011 as Monti took over for Berlusconi.
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Lance Armstrong, seen here at a LIVESTRONG Challenge Ride in October 2012, might be willing to confess to doping — in exchange for an easing of his lifetime ban, according to reports.
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Afghan President Hamid Karzai will meet with President Obama and other senior U.S. officials in Washington this week. Many analysts remain skeptical about the prospects for a negotiated peace in Afghanistan. He's shown here speaking in Kabul last month.
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Sixteen-year-old Rookie Reporter Temitayo Fagbenle says at her school girls are often the victims of "slut shaming," having explicit photos and videos of themselves posted online and shared with their peers.
John Brennan speaks in the East Room of the White House on Monday, after President Obama announced his nomination of Brennan to run the CIA. Obama also announced his choice of former Sen. Chuck Hagel (left) to head the Department of Defense.
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Ren Jianyu poses for a photograph at a restaurant in Chongqing, China, on Nov. 19, 2012, after being freed from a labor camp. The village official was sentenced to a "re-education through labor" camp after he criticized the government.