Charlie Sheen (mediocre actor, Barack Obama supporter, and son of loony liberal Martin Sheen) has gone on record that the U.S. government was in on the 9-11 attacks and that Osama bin Laden continues to work for the government to create justifications for "faraway wars."
L.A. Times columnist Andrew Malcolm deftly satirizes the actor's weirdness (and unjutified egoism) here.