Gov. Sarah Palin: "It seems that there is yet another radical professor from the neighborhood who spent a lot of time with Barack Obama," referring to Columbia University professor (formerly at the U of C) Rashid Khalidi.
Look, any politician who spent time in public life is going to have some unsavory associations. For example, I hear John McCain is well acquainted with a pathological liar who is out on the campaign trail building yet another bridge to nowhere. Such is politics.
Anyway, as far as I can see, Prof. Khalidi seems rather tame (although not someone with whom I would necessarily agree with). What he does have is a few superficial signifiers that might make some Jews uneasy -- being part of Columbia University's Middle East Studies program (which is a war zone between pro-Israel and pro-Palestine forces), and the fact that his endowed chair is named after Edward Said. But he was not, as the McCain campaign is saying, a spokesperson for the PLO, and most of his active criticism of Israel has come at the level of policies which are certainly in-bounds to be criticized (even if I disagree with the particulars).