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"In short, our ancestors are biologically ill-adapted to inflict violent death on each other, what with our recessed jaws, laughably small teeth and absent talons, lethal poisons, etc."
This professor is an idiot and the above sounds like it could have come straight from the mouth of another widely recognized idiot:
http://images.sodahead.com/polls/002...ce_xlarge.jpeg
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Barash.
Enemies behind our lines, no doubt a devotee of Howard Zinn. Living proof that being an US citizen and an American are not synonymous.