Milgram experiment

This Wikipedia article on the infamous Milgram experiment frightens me no end. Conducted around the same time as the Eichmann war crimes trial in the early 60s, these experiments were intended to determine if a participant would follow the instructions of an authority to the point of violating their own conscience. Horrifyingly, over two-thirds of the test subjects overrode their humaneness to perform acts of cruelty as directed. Hmmm...