"He has taken upon himself the role of being in the front line of the assault on America's security," the Web site quotes Hughes as saying. "His `fifth-column' efforts in former years have not resulted in any significant weakening of America's strength, but now it is different!"
Merriam-Webster's Collegiate Dictionary defines fifth column as "a group of secret sympathizers or supporters of an enemy that engage in espionage or sabotage within defense lines or national borders."
Said Murtha: "To call me a fifth-columnist, I cannot believe that."
A fifth column would be a step up for the clown.