What do you get when you cross “America’s Favorite Serial Killer” with America’s favorite literary periodical? Conventional wisdom would say you get one very well read sociopath…or perhaps one devilishly clever ad campaign. Readying the launch of it’s promotional push for the premiere of Dexter’s third season on September 28th, Showtime has concocted their own mock cover of The New Yorker, replacing the usual masthead to trumpet “New Dexter,” accompanied by a wonderful cartoon likeness of the smiley slayer portrayed by Michael C. Hall. It’s quite the fiendish display, but we like it anyway.