BAGHDAD, Iraq - An Iraqi military official said Tuesday that the bodies of two missing U.S. soldiers showed signs of torture, and that men appeared to have been killed "in a barbaric way." Also, the umbrella group for Iraqi insurgents claimed responsibility for the soldiers' deaths. "We give the good news ... to the Islamic nation that we have carried God's verdict by slaughtering the two captured crusaders," said a statement in the name of the Mujahedeen Shura Council, which groups five insurgent organizations including al-Qaida in Iraq. At a news briefing, U.S. Maj. Gen. William Caldwell declined to identify...