Cao Cao wasn't really portayed as that arrogant... Sima Yi was, Cao Pi was, but not Cao Cao so much. And I sincerely doubt that second statement. 'sides, evil's a very strong word, and also depends largely upon your point of view.
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Signature credited to Nathan (or whatever he decides to call himself next)MSN address: yamiken (at) hotmail (dot) co (dot) uk
[size=6](You know the drill, remove the spaces, replace the at with @ and the dot