Derren Brown

" .... Majority of people would administer
450volts [lethal] of shock to another
person just because a guy in a white coat
is telling them to... "

Watch this video, it's 48 minute long, but it's worth watching. I am not sure how real it is, but if it is, it's quite amazing how malleable our minds are. And how scary it is to know that someone can master our psyche

http://video.google.com/videoplay?docid=6391870070680580544