He was a Vietnam legend, the priest. Ralph Oriscello first heard about him while treating injured soldiers at the 93rd Evacuation Hospital in South Vietnam in the fall of 1967. One after another, the soldiers told the story of how the priest, unarmed except for a crucifix and a prayer, ran into the middle of a mortar firestorm and dragged wounded men to safety. As the battle escalated and the casualties mounted, so did the priest's momentum. With mortar shells exploding all around him, he brought back one injured man after another, saving lives and comforting souls. "Many of the...