The PLO and the Saudis pay for Khalidi's chair at Columbia?

For the past week, many right wing bloggers - including me when I've been able to get on my blog - have been screaming about the refusal of the Los Angeles Times to release a videotape in which Democratic Presidential candidate Barack Hussein Obama is present at a going away party for former PLO operative Rashid al-Khalidi, who is now a professor at Columbia. Even the Left is a bit uncomfortable