And he will function as the flamethrower applied to Hillary's feet should she try drifting back over to the old Third Way camp.
I wouldn't put it quite so violently, but he will serve as Hillary's conscience in dealing with Congress. And as far as the new organization some of his followers will form, they can work with Hillary where a Republican President would simply ignore them. It will be a good time to be a left-winger: Having a President that actually takes you seriously.
