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From left, Joint Chiefs Chairman Gen. Martin Dempsey, Secretary of State John Kerry, and Defense Secretary Chuck Hagel, appear before the Senate Foreign Relations Committee to advance President Obama's request for congressional authorization for military intervention in Syria, a response to last month's alleged sarin gas attack in the Syrian civil war, on Capitol Hill in Washington, Tuesday, Sept. 3, 2013. (AP Photo/J. Scott Applewhite)

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