Can it be true?! Can Robert Pattinson - famous for playing 'Edward Cullen' - be becoming a Jacob? Well, it sure is! :) Robert Pattinson is currently filming the film adaptation of the novel 'Water for Elephants' by Sara Gruen. In this role, Rob plays Jacob Jankowski, an aspiring veterinarian who drops out of college before getting his degree and end ups working for a travelling circus! There,…