Few American cities make for a more natural or rich horror movie setting than New Orleans, Louisianna; a bustling, vibrant city where history feels alive, where the ghost tours and spectacular above-ground cemeteries keep the dead ever on your mind, and where the tradition of voodoo and witchcraft has deep roots. The latest chiller to dig into that atmosphere is Gothic Harvest, and we've got a first-look trailer for y'all today. Set during Mardis Gras, the film follows four co-eds who are just looking for a party, but find a whole lot worse than a …