By now it’s no surprise that classic horror stories and characters are taking over primetime television, just look at the growing list of established or upcoming shows (American Horror Story, Bates Motel, Dracula, Hannibal, The Following, etc.) of the genre.  On March 18, A&E will be premiering Bates Motel, a prequel series that explores the “origins” of Norman Bates.  Bates, portrayed by…