Joaquin Phoenix appeared on The Late Show with David Letterman last night. And by appeared I mean Joaquin Phoenix sat there being weird while Dave tried to get the actor to actually answer a question. Phoenix was at the Ed Sullivan Theater to promote his new movie “Two Lovers” but in his messy black suit and tie with a heavy beard and black sunglasses, he seemed more interested in acting like Andy Kaufman than a talented actor. Letterman,...