It was always likely that the tougher the Democratic contest got, the nastier the Clinton campaign would behave, because that's their "war room" mentality. Super-blogger Marc Ambinder has a round-up of the Clinton game plan coming out of Iowa and into New Hampshire, including this bullet-point:
Find some way to go negative against Obama. Some Clinton advisers and aides say that the campaign have a storehouse of opposition research - old and new - that they'll use against Obama. In Iowa, being directly associated with negative attacks is seen as uncouth and un-Midwestern; in New Hampshire, rude remarks as as welcome as questions and answers.
Fools. It ain't gonna work.
Matt Yglesias has a taster of what that Clinton oppo research might look like - and predictably it's a dumb attack - that Obama's too liberal. As Matt points out, they can't even make up their mind:
Progressive record? Heaven forbid! I thought he didn't have experience.