Don't know how many of you caught Rep. John Murtha's very angry, very moving speech just now in which he called on the White House to institute an immediate withdrawal of US troops from Iraq. CNN didn't air the entire thing, but as I listened to it, I could feel the ground shift. Murtha, as you know, is not a Pelosi-style Chardonnay Democrat; he's a crusty retired career Marine who reminds me of the kinds of beer-slugging Democrats we used to have before the cultural left took over the party. Murtha, a conservative Dem who voted for the war, talked...