U.S. Senator Ted Kennedy (D-MA) shows a chart detailing a timeline of U.S. troop withdrawls proposed by the U.S. military, at a Senate Armed Services Committee hearing on Capitol Hill in Washington, September 11, 2007. U.S. Army General David Petraeus, the top commander of U.S. forces in Iraq, and U.S. Ambassador Ryan Crocker testified for a second day on Capitol Hill about the state of the war in Iraq. REUTERS/Jason Reed (UNITED STATES)