U.S. Attorney General Eric Holder holds a news conference Wednesday in Kabul. Holder was in the Afghan capital to talk to officials about improving the justice system and fighting corruption. Ahmad Massoud/AP hide caption

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Afghan President Hamid Karzai speaks at a meeting with tribal leaders Sunday in Kandahar. Karzai appealed to hundreds of tribal and religious leaders at the jirga to support a major operation in their southern province, the heartland of a Taliban insurgency. Massoud Hossaini/AP hide caption

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North Korean Leader Kim Jong Il appears in Pyongyang with military officials in this undated photo released Monday by North Korea's official Korean Central News Agency. Korean News Service via AFP/Getty Images hide caption

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Fire boats battle the blaze at BP's offshore oil rig Deepwater Horizon on April 21. The explosion and fire killed 11 workers, sank the rig and left a still-gushing well on the floor of the Gulf of Mexico. U.S. Coast Guard via Getty Images hide caption

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Riot police use pepper spray against demonstrators outside the Greek Parliament building in Athens last month. Protesters threw stones after lawmakers approved drastic austerity cuts needed to secure international rescue loans. Nikos Giakoumidis/AP hide caption

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Palestinian boys throw flowers into the sea at Gaza City's port during a memorial for pro-Palestinian activists killed in an Israeli raid on aid ships bound for Gaza. Mahmud Hams/AFP/Getty Images hide caption

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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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