You've never been hypnotized, right? Never gone onstage and been put into a trance by a magician who told you to do some silly thing - and you did it? Wrong. If you've ever spaced out at the wheel and ...

Imagine yourself lying on an operating table in a humid hospital tent near abattle front during the Vietnam War. Writhing in agony, you plead with the medics to give you something to relieve the pain ...