In this file photo taken in January, a U.S. Predator drone flies above Kandahar Air Field in southern Afghanistan. Kirsty Wigglesworth/AP hide caption

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Three days of street battles with heavily armed supporters of the underworld boss had claimed at least 30 lives by late Tuesday. Anthony Foster/AFP/Getty Images hide caption

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A South Korean protester burns a North Korean flag with an image of North Korean leader Kim Jong Il during a rally in Seoul on Tuesday. South Korea has imposed trade sanctions on the North for alleged sinking a southern naval vessel. Jung Yeon-je/AFP/Getty Images hide caption

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A South Korean rear admiral stands by the wreckage of the warship Cheonan, after an investigation concluded that the vessel was sunk by a North Korean torpedo, killing 46 sailors. Song Kyung-Seok/Pool/Getty Images hide caption

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This painting by Georges Braque, Olive Tree near Estaque was among the five works stolen in the dead of night from the Paris Museum of Modern Art. Anne-Christine Poujoulat/AFP/Getty Images hide caption

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Mexican President Felipe Calderon and President Obama stand for their countries' national anthems during a welcoming ceremony Wednesday on the South Lawn of the White House. Chip Somodevilla/Getty Images hide caption

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Britain's new prime minister, David Cameron, makes a point at the first Cabinet meeting of his new coalition government. The new ministers began by giving themselves a pay cut. Andrew Winning/WPA Pool/Getty Images hide caption

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British opposition Liberal Democrat leader Nick Clegg (from left); Prime Minister Gordon Brown, leader of the ruling Labour Party; and opposition Conservative Party leader David Cameron shake hands April 22 after participating in the second of three live televised debates. A poll surge by the third-party Liberal Democrats now threatens Britain's traditional two-party system. Stefan Rousseau/AFP/Getty Images hide caption

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Pope Benedict XVI arrives to celebrate mass in Malta on April 18. The Pope met with victims of sexual abuse by priests while he was in Malta. Alberto Pizzoli/AFP/Getty Images hide caption

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