DURING the Korean War, brainwashing of U.S. prisoners by Chinese and North Koreans produced alarming numbers of forced "confessions," collaborators and turncoats. As a result, President Eisenhower issued an executive order in 1955 establishing a Code of Conduct for U.S. servicemen. Among its provisions:
> I will never surrender of my own free will. If in command, I will never surrender my men while they still have the means to resist.
> If I am captured, I will continue to resist by all means available. I will make every effort to escape and aid others to escape. I will accept neither parole nor...