The fraud is coming so fast and furious that I can't keep up with it. Just head over to Instapundit who is doing a hell of a job.
A few examples:
I'm not a doctor but I play one at town hall meetings
American College of Surgeons offended by Obama lies
Randomly chosen adorable little girl at Obama town hall was daughter of big-time Obama donor
Bus-ted! Obama caught busing supporters for town hall.
Dem Rep Who Opposes Photo ID To Vote Requiring Photo ID For Town Halls
And here's Michelle Malkin's round-up of phony "ordinary Americans" from Obama's events.