Chris McDonald, a Marine reservist who came home a mess from Iraq, told his father that the things he had seen there were so bad, "There's no way there's a God." He eventually shot himself dead.
Sometimes there is so much pain.
Todd South of the Chattanooga Times Free Press did the heartbreaking story. South is a former Marine, by the way.
Thomas E. Ricks covered the U.S. military for the Washington Post from 2000 through 2008.