The Evil Within Man

There are things in this world which defy rational explanations. For example, what makes a sane and intelligent person commit acts of brutality beyond the normal boundaries of humanity?

If you asked the person next to you to kill or torture the person behind them, few if any would be capable of doing so. However, throughout history there have been those who have found themselves able to sidestep the "moral" problems these acts involve and enact pieces of barbarism.

Has someone or something b...