A U.S. military guard carries shackles in preparation for moving a detainee at the U.S. detention center in Guantanamo Bay, Cuba. John Moore/Getty Images hide caption

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U.S. military guards arrive for their sunrise shift at Camp Delta at the U.S. detention center in Guantanamo Bay, Cuba. John Moore/Getty Images hide caption

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Global economic meetings in Washington, D.C., this week take place as protesters, like these in Sanaa, Yemen, demonstrate for the overthrow of governments and measures to address poverty. Muhammed Muheisen/AP hide caption

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A Libyan rebel rests at a checkpoint on a front line near Zwitina, the outskirts of the city of Ajdabiya, south of Benghazi, in eastern Libya on March 24. Anja Niedringhaus/AP hide caption

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Smokes simmers from a factory destroyed by the tsunami in the town of Ofunato in Iwate prefecture. Economists say it's still too early to assess all of the economic impacts of the disaster. Toshifumi Kitamura/AFP/Getty Images hide caption

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Although northeastern Japan, where an earthquake and tsunami hit Friday, has fewer industrial centers than the west, damage to its electrical system and business centers could have wider effects on the country's economy. Here, a man walks in Sendai Monday. Philippe Lopez/AFP/Getty Images hide caption

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A worker walks in front of a refinery inside the Brega oil complex in Libya. Events in North Africa and the Middle East are being closely watched by oil traders to determine what a barrel is worth. Hussein Malla/AP hide caption

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