Secretary of State Hillary Rodham Clinton listens as Defense Secretary Leon Panetta speaks during an event at the National Defense University in Washington, Tuesday, Aug. 16, 2011. (AP Photo/Susan Walsh)

Associated Press
Secretary of State Hillary Rodham Clinton listens as Defense Secretary Leon Panetta speaks during an event at the National Defense University in Washington, Tuesday, Aug. 16, 2011. (AP Photo/Susan Walsh)
Secretary of State Hillary Rodham Clinton listens as Defense Secretary Leon Panetta speaks during an event at the National Defense University in Washington, Tuesday, Aug. 16, 2011. (AP Photo/Susan Walsh)
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