So you gotta ask yourself what's he trying to achieve and my first (second and third) thought is that he's sowing mischief. Irrespective of whether Obama does or does not pick someone from the "left", he has put the idea in play which allows him to tweak the administrations tail about it. And frankly it's too late, cos the only thing the liberals wanted was Lieberman's head on a plate. keep to the Fen Causeway