I'm inclined to believe that Murtha fell for a "sting" of sorts.
The "sting" was Murtha's own stupidity, hatred of President Bush, contempt for the Marine Corps and his desire to win a position of power after disgracing the Bush administration...
There are some, like myself, who believe a strong motive for his traitorous behavior is to be able to claim he is targeted only for his anti-war status, when the corruption investigation get close enough to his ass..
Semper Fi
Interesting angle. We haven't seen the end of that whole thing. That said, I pray this is true. Although I can't say I'm particularly surprised.