Human intelligence is an ages-old but never-obsolete art, and this proved true in Vietnam. Planting spies in virtually every venue, the communists cast a wide net of operatives and agents who gathered human intelligence. In 1965, Pham Xuan An obtained a press card and worked as a journalist for Time magazine in Saigon. . At his home in Ho Chi Minh City on April 26, 2000, An revealed that he had lived a second life during the war as a Viet Cong spy. (AP Photo/Charles Dharapak)