Colbert on McCain: Look at that face. Oh, he is out for blood. Because there is certainly none in that face. The Democrats cannot stop this man, they can only hope he gets sidetracked by a Murder She Wrote marathon on TV Land. Of course, McCain does have one tiny weakness: his rhetorical style can best be described as tired mayonnaise.Colbert had viewers send in their version of the green screen challenge. One viewer put McCain at a rave, which prompted Colbert to say: Finally a reason t...