House Armed Services Committee Chairman Rep. Ike Skelton, D-Mo., questions Gen David Petraeus and Ambassador to Iraq Ryan Crocker, Wednesday, April 9, 2008, on Capitol Hill in Washington, during the committee's hearing on the status of the war in Iraq. (AP Photo/Pablo Martinez Monsivais)

House Armed Services Committee Chairman Rep. Ike Skelton, D-Mo., left, speaks with Gen David Petraeus, center, and Ambassador to Iraq Ryan Crocker, right, on Capitol Hill in Washington, Wednesday, April 9, 2008, following the committee's hearing on the status of the war in Iraq. (AP Photo/Pablo Martinez Monsivais)

House Armed Services Committee Chairman Rep. Ike Skelton, D-Mo., questions Gen David Petraeus and Ambassador to Iraq Ryan Crocker, Wednesday, April 9, 2008, on Capitol Hill in Washington, during the committee's hearing on the status of the war in Iraq. (AP Photo/Pablo Martinez Monsivais)