Here are the really important crosstabs. Is Carolina liberal? Is State conservative? Now we have the answers. According to the three measures below the answer is yes, sort of.
UNC fans are the most Democratic and anti-Bush, but Wake Forest is a close second. NC State is more Republican/conservative than UNC, but not nearly as Republican as Duke.
Of course this is a measure of fandom, not alumni. A poll of alumni could yield different results.