"Now, in his vivid memoir, Wait for Me, True Stories of War, Love and Rock & Roll, Bill Gentile turns back the clock to the 1980s and thrusts us into the mountains of Nicaragua and the slums of El Salvador to offer what he calls "a firsthand, frontline account of the human cost of war." He succeeds for two simple reasons: he was willing to take serious risks and, more pertinently, he survived to tell his story when so many around him-soldiers,...