Joe Lieberman has been in the Senate for 18 years. He's a leader of the Democratic Leadership Council, the money wing of the party. He became the party's vice presidential nominee, even as he championed the DLC's "triangulating" politics, pushing off of the Democratic Party base to demonstrate his "independence" by embracing key elements of the conservative agenda -- championing the war in Iraq, attacking affirmative action, pushing capital gains tax cuts that benefit only the very wealthy. Now he's pushed off so long, he seems confused about whom or what he represents. He now says he's a good Democrat,...