It's been an unusual alliance from the beginning and now Rep. John Murtha (D-Pa.), in trouble in his race to keep his seat, is appealing to his old friends at MoveOn to come to his rescue. The relatively conservative Murtha became a hero to MoveOn members when he came out early against the war. His military background and previous support of the war made his opposition significant. The letter asking for campaign cash doesn't mention what, exactly, got him into the trouble he's in, but refers instead to "swiftboating" and "the right-wing attack machine." "This is a real emergency—with just...