You missed one. "Lying Moral Coward" fits him very well. Knowingly speaking falsehoods to justify running away from evil is pretty much the whole reason Murtha is on every Sunday. His moral cowarance resonates well with the Cursader Cowardace of the average Dinasour Media talking head.
Thanks for two top notch additions to my list of teasers to introduce Congressman Murtha:
"Lying moral coward.....
"Under investigation for contracts going to relatives...