Homeland Security Secretary Janet Napolitano testified before the House Committee on Homeland Security today (Feb. 9, 2011). Mandel Ngan/AFP/Getty Images hide caption

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Secretary of State Hillary Clinton is welcomed by Yemen's foreign minister, Abu Bakr al-Qurbi, at Sanaa airport upon her arrival earlier today (Jan. 11, 2011). Gamal Noman/AFP/Getty Images hide caption

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