A CIA handbook on coercive interrogation methods, produced 40 years ago during the Vietnam War, shows that techniques such as those used in Iraq, Afghanistan and Guantanamo Bay, Cuba, have a long history with U.S. intelligence and were based on research and field experience. Declassified 10 years ago, the training manual carries in its title the code word used for the CIA in Vietnam, "KUBARK Counterintelligence Interrogation -- July 1963." Used to train new interrogators, the handbook presents "basic information about coercive techniques available for use in the interrogation situation." The specific coercive methods it describes echo today's news stories...