New tough, negative rhetoric from Democratic rival’s campaign echoes McCain charge of broken pledge — denied by Obama camp despite the apparent evidence here. (pdf)

Clinton’s Wolfson: “That’s not change you can believe in.” Full statement here.

Wolfson on media conference call: “He made a promise to the American people that he is not keeping and it is wrong…He has a pattern of saying something to secure votes and not following through on his promise.” Cites health care plan.

Obama’s Burton responds on media call of his own: “We don’t need a lecture from a campaign that has accepted more money from lobbyists than any other Republican or Democratic presidential candidate.”