The History Channel has a documentary coming on the moronic "Truther" movement-

9/11 Conspiracies - Fact or Fiction.

Examines the various conspiracy theories espoused on the Internet, in articles and in public forums that attempt to explain the 9/11 attacks. It includes theories that the World Trade Center was brought down by a controlled demolition; that a missile, not a commercial airliner, hit the Pentagon; and that members of the U.S. government orchestrated the attacks in hopes of creating a war in the Middle East. Each conspiracy argument is countered by a variety of experts in the fields of engineering, intelligence and the military. The program also delves into the anatomy of such conspiracies and how they grow on the Internet.