Along with Michael Moore's "Fahrenheit 911," another documentary is opening. "The Hunting of the President," based on the work of Joe Conason, covers the wingnut cabal that impeached Clinton. See the links below, one to the official website and the other to a good interview with Conason at the American Prosect Online.
http://www.thehuntingofthepresident.com/
http://www.prospect.org/web/page.ww?section=root&name=ViewWeb&articleId=7850