General William Caldwell, the chief military spokesman in Iraq, recently described the violence in Baghdad as disheartening.

NPR: Playing the Blame Game on Iraq

William Caldwell, only to be involved in operations when called on by authorities.

CNN: Car bombs target Shiites in Iraq

U.S. military spokesman Major General William Caldwell extended his condolences for yesterday's bombing and asked everyone to be patient with the new security plan.

NPR: Iraqis Bury Dead from Massive Truck Bombing