Or Mastercard News Today : Breaking News, Live Updates & Top Stories | Vimarsana

long legs. >> i want to bring in our national political economist. we have seen this getting pretty ugly. does this resonate with voters when they hear the back and forth? >> i don't know. i talked to a few voters out there on the campaign trail. every one of them will tell you they hate this stuff. then every expert will say this works. there's a reason why the campaigns are going back and forth and there's a reason why the obama campaign has been ataa attacking mitt romney and his tax returns. they believe they are working. the president defended attacks. he says mr. romney has cal...

your first impression from what we learned from the eight republican candidates? >> i think there were a couple of really explosive parts of the debate for me. the first one was obviously iran. i thought that perry and gingrich led the way with strategy when it comes to iran. but the thing that sort of blew up in newt gingrich's face, i think, the discussion on immigration. he had a rick perry heartless moment with this. i think this is really going to impact him tomorrow. it's really going to impact him with grassroots conservatives. i can see both sides of the argument here. he was...

but the thing that sort of blew up in newt gingrich's face, i think, the discussion on immigration. he had a rick perry heartless moment with this. i think this is really going to impact him tomorrow. it's really going to impact him with grassroots conservatives. i can see both sides of the argument here. he was reaganesque, '84-'86, reagan signed a huge amnesty bill but i don't think he made that differential during the debate. this is one of the most substantive debates, we really were able to see a lot of different sides on the candidates on this side of the issue. ron paul did su...