Who in a position of authority at Columbia would daft enough to invite Holocaust denier / genocidal maniac / most notorious and powerful anti-Semite of the current age / etc. Ahmadinejad (who, by the way, I saw on t.v. claiming today claiming that the 35,000 people who protested his speech at the U.N. were actually one hundred paid Zionist stooges) to speak?
Columbia, however, seems to have reconsidered.