Going all the way back to the days when Fritz Lang had to flee Germany after Nazi propagandist Joseph Goebbels figured out that Lang's "Dr. Mabuse" thrillers were crammed with all sorts of not-entirely-hidden cautionary warnings about the evil, malevolent tyrant who was about to transform Germany into a truly evil empire, horror films have had a justified reputation for ruffling our feathers, for stoking our most unruly, subconscious urges and fears. In horror films, there is always more to the images than meets the eye. That goes double for the slyly evocative one-sheet for "Drag Me to Hell," the...