From his early childhood, Dan Hill wanted to be a soldier. At the age of 15, he forged his birth certificate and enlisted in the United States Army. By the time he was 22 he had seen action as a covert sniper in the Hungarian Revolution, a paratrooper during the Lebanon invasion, an infiltrator during the Algerian Revolt, a gunrunner to Cuba, an undercover mercenary in the Congo- and he had killed more than 200 men. That's when he stopped counting. That was before two tours in Vietnam, before fighting with the Mujahedin in Afghanistan, before going undercover to spy on Islamic and domestic...