O’Donnell: You’re calling Mitt Romney a liar?

Gingrich: Well, you seem shocked by it! Yes. I mean, why –

O’Donnell: Why are you saying he is a liar?

Gingrich: Because this is a man whose staff created the PAC, his millionaire friends fund the PAC, he pretends he has nothing to do with the PAC – it’s baloney. He’s not telling the American people the truth.