I don't know if I'll ever be able to forgive myself for missing Brandon Cronenberg's Possessor at Sundance this past January, but at least Neon is embracing the film's provocative elements, having just released a new trailer promising it will release the gory picture in its original "uncut" form. Andrea Riseborough (Mandy) stars as Tasya Vos, an elite corporate assassin who uses brain-implant technology to take control of other people's bodies to execute high-profile targets. As she sinks deeper into her latest assignment, Vox becomes trapped inside a mind that threatens to obliterate …