Michael Moore is considering offering a reward (link):

"There is not a single factual error in [Fahrenheit 9/11]. I'm thinking of offering a $10,000 reward for anyone that can find a single fact that's wrong."

Here's a list of "Fifty-six Deceits in Fahrenheit 911": peekURL.com/zczH95A . And, there are several other errors noted in "More Distortions From Michael Moore" (07/24/12: page is now gone, was at msnbc.msn.com/id/5335853/site/newsweek/ and part is here ).