Zambia's newly elected President Michael Sata (right), a long-time opposition figure, is shown at his swearing in ceremony in Lusaka on Sept. 23. Seventeen of the 49 sub-Saharan nations in Africa are holding elections this year. Thomas Nsama/AFP/Getty Images hide caption

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Pakistani security personnel stand alert on a street in Quetta in September. Proposed appropriations bills in both the U.S. House and Senate make economic and military assistance to Pakistan conditional. Banaras Khan/AFP/Getty Images hide caption

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President Obama meets with Turkish Prime Minister Recep Tayyip Erdogan on Tuesday in New York City. Turkey has agreed to a U.S. radar installation as part of a NATO missile defense system. Pool/Getty Images hide caption

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Penetrator bombs, commonly known as bunker busters, are stored on pallets at an ammunition plant in McAlester, Okla., in 2002. The U.S. sold 55 bunker busters to Israel in 2009, according to a recent Newsweek report. Sue Ogrocki/AP hide caption

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Abdel Hakim Belhaj (center left), a prominent militia commander, walks with Transitional National Council Chairman Mustafa Abdel Jalil in Tripoli on Sept. 10. The battle to oust Moammar Gadhafi produced a number of leaders who will have to work together to form a new government. Francois Mori/AP hide caption

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U.S.-born cleric Anwar al-Awlaki was killed Friday in a U.S. airstrike in Yemen. U.S. officials say he was linked to several major terrorist plots in recent years. Anonymous/AP hide caption

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Afghans hold portraits of former President Burhanuddin Rabbani, as they shout anti-government slogans during a demonstration in Kabul on Tuesday. Last week's killing of Rabbani, an ethnic Tajik, was the latest targeting his party and it has stoked fears of increased factionalism. Shah Marai/AFP/Getty Images hide caption

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