Baghdad, Iraq The 500 soldiers in the Army's 2-70th Battalion have broken through Iraqi strongholds a dozen times with their tanks and other armored assault vehicles. It's not a unit for the faint of heart. When the battles are over, officers regularly tell their soldiers they can turn to the battalion's chaplain for counseling to deal with what they have seen on the battlefield or what they have done.But what happens when it's the chaplain who says he can't deal with the horrors of war and quits the battlefield? Word of the chaplain's abrupt departure this week hit the battalion...