Possibly. Why, oh why, do the Democrats continue to bow to this guy? Kick him out of the caucus and let him go with the Republicans, whose positions he prefers.
UPDATES:
1) See the op-ed piece by Gail Collins in Thursday's NY Times. In an effort to explain Lieberman's flip-flopping and idiocy, Collins notes the simple theory that Lieberman "isn't actually all that smart." I like that theory. He's as dumb as a brick. And from years of teaching bricks, I know that kind of dumb.
2) See Colbert below.