U.S. Commanding General of Multi-National Force in Iraq U.S. Army Gen. George Casey (L) testifies in front of the U.S. Senate Armed Services Committee on Capitol Hill, September 29, 2005. Listening are from L-R: U.S. Secretary of Defense Donald Rumsfeld and outgoing Chairman of the Joint Chiefs of Staff U.S.A.F. Gen. Richard Myers. The hearing was called to discuss U.S. military strategy and operations in Iraq. REUTERS/Larry Downing