If you haven't read this article before and viewed the slide show associated with it, you might find it interesting. Basically, it demonstrates how quickly average people can become sadistic when they have disciplinary contol over other individuals. The web page shown below, details a mock prison test, performed many years ago by Stanford University. The test was originally scheduled to last two weeks, but they had to shut it down after only 6 days because of the negative effects it had upon those involved.
http://www.prisonexp.org/
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