Then they tried to do a documentary of their own about him — and ran into the same sort of resistance Moore himself famously faces in his own films.

The result is “Manufacturing Dissent,” which turns the camera on the confrontational documentarian and examines some of his methods. Among their revelations in the movie, which had its world premiere Saturday night at the South by Southwest film festival: That Moore actually did speak with then-General Motors chairman Roger Smith, the evasive subject of his 1989 debut “Roger & Me,” but chose to withhold that footage from the final cut. —Documentary questions Moore’s tactics (AP | Yahoo! (will expire))

I haven’t seen “Roger & Me,” but I know the premise is that it follows Michael Moore’s attempts to interview an executive. I had no idea that Moore actually did film an interview with Smith, but cut that scene from the movie. (I have blogged before about Moore.)