Byron Holley spent the longest year of his young life in Vietnam as surgeon of the 4th Battalion of the 39th Regiment, 9th Infantry Division. He lived like a swamp rat in the boonies of the Mekong Delta, and his actions were sometimes all that made the difference between life and death. But Holley never got used to death. In a land torn by generations of bloodshed, filled with leeches, snakes, malaria-infested mosquitoes, and, of course, the Viet...