Afghanistan

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From drone strikes in foreign countries to the troop surge in Afghanistan to drawing up legal justification for killing U.S. citizens abroad, President Obama has embraced many of President Bush’s more controversial programs. (Associated Press)

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Secretary of State John Kerry delivers a statement after a meeting with Afghan President Hamid Karzai and Pakistani Army Chief Gen. Asfhaq Parvez Kayani on April 24, 2013, in Brussels. The trilateral meeting is to discuss regional security issues, and the 2014 withdrawal of NATO combat forces from Afghanistan. (Associated Press)

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** FILE ** Former Taliban members, handcuffed, stand in line after turning in their weapons during a ceremony with the Afghan government in Herat, Afghanistan, on Sunday, April 7, 2013, as part of a peace-reconciliation program. (AP Photo/Hoshang Hashimi)

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A taxi tries to make its way through a sandstorm that obscures the city of Kanadahar, Afghanistan, Sunday April 21, 2013. (AP Photo/Anja Niedringhaus)

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Armed Afghan policemen destroy an opium poppy field in Noorgal, Kunar province, east of Kabul, Afghanistan, on April 13, 2013. (Associated Press)

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** FILE ** French soldiers prepare to load a helicopter into a cargo aircraft to ship it back home to France, at Kabul military airport in Kabul, Afghanistan, Tuesday, March 12, 2013. (AP Photo/Ahmad Jamshid)

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** FILE ** Afghan National Army soldiers rush to the scene moments after a car bomb exploded in front the Provincial Reconstruction Team in Qalat in Afghanistan's Zabul province on April 6, 2013. (Associated Press)

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This image made from AP video shows the scene moments after a car bomb exploded in front of the Provincial Reconstruction Team in Qalat in Afghanistan's Zabul province on Saturday, April 6, 2013. Six American troops and civilians and an Afghan doctor were killed in attacks on Saturday in southern and eastern Afghanistan as the U.S. military's top officer began a weekend visit to the country, officials said. (AP Photo via AP video)