Moazzam Begg in front of the U.S. Embassy in London in 2006. Alastair Grant /AP hide caption

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A view of the the U.S. Naval Station base in Guantanamo Bay, Cuba. Guards and prisoners fought Saturday as inmates were moved into individual cells instead of communal housing. Suzette Laboy/AP hide caption

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Books in the detainees library at the U.S. Naval Base in Guantanamo Bay, Cuba, are seen in this Aug. 8, 2013, photo. A prisoner at the facility handed over a copy of Fifty Shades of Grey to his lawyer. AFP/AFP/Getty Images hide caption

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To raise awareness about force-feeding, Yasiin Bey, the musician and actor formerly known as Mos Def, in a video voluntarily underwent the same procedure administered to prisoners who refuse solid food in political protest while they are held in Guantanamo Bay. Reprieve/Asif Kapadia hide caption

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President Obama speaks about his administration's drone and counterterrorism policies at the National Defense University on Thursday. Saul Loeb/AFP/Getty Images hide caption

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