Bernie Sanders is pretty far left, but he seems to be VERY bright and totally honest and dedicated to doing what is right, as far as he sees it. He 'favors' a single-payer health care system, but is quite aware he will not get that, so he is working to help Obama get the 'public option' worked out.

Lieberman is 'independent' so he can slither back & forth depending on whose favor he wants to curry at the moment.

(Doug...as far as I can tell, Franken has given up being a comedian and is speaking seriously about being a good senator...but the jibe is hard to pass up, huh?)