dollars on taxes of businesses appoints liberal judges to apiece democrats and wants the rest of us to believe he's a conservative. >> when andrea mitchell tried to get a response from romney, the front-runner remains mum. >> governor, newt gingrich called you a liar today. what do you say about that? >> we're not taking questions. >> governor, is that the way to campaign? calling you a lier? >> we're not taking questions. >> how are you? good to see you. >> nbc campaign inbed alex mo with the gingrich campaign. does newt gingrich think that these swings at mitt romney are going to boost his chances, at least come out guns blazing today, this morning? >> well, speaker geneva hopes iowans will see through the negative ads that mitt romney and the other candidates have been running against him in the state and he believes that those ads have been dishonest and the iowans will vote for him tonight. he's had one event this morning.