Manos: The Hands of Fate doesn't deserve to be called the worst movie ever made. It may not deserve to be called a movie at all. Manos is a weird blip in film culture, the closest thing that the B-movie world's ever had to its own butterfly effect. It was made on a bet by an El Paso insurance salesman with no filmmaking experience named Harold P. Warren, screened in a few West Texas theaters in 1966, and promptly forgotten for the better part of three decades. Then, in 1992, a couple of yahoos with a show on Comedy Central...