MTV LINK IS THE SOURCE! "We HAVE To Say Something About Robert Pattinson Possibly Playing Jeff Buckley In A Biopic     Robert Pattinson, best known for shining like a crazy (vampire) diamond in the "Twilight" movies and for being Kristen Stewart's off-screen and on-screen beau, has to deal with a lot of rumors about himself, his love life and his career. And this latest piece of hot gossip is ju…