>> the debates dominated this election. once the debates ended, iowa went back to its traditional dna. having been out to iowa several times to watch him campaign it will be interesting to see if he can sustain this. he has a political history. rick perhe is already attacking him for ear marks saying you are just another politician. look at the candidates who have risen. ron paul, herman cain before him. now rick santorum. authenticity. gingrich and romney you can call flip-floppers. the candidates who seem to believe what they say vote in hat their belief. santorum has gained ground with people who think he's a credible, authentic candidate. >> listen to what santorum said. listen to this clip. >> with respect to the issue about -- i get a kick thoifts with governor romney. newt said this at the bede bait. governor romney is not like he's tried to be a career politician. he's just not been successful. >> still pretty polite the exchanges between romney and santorum.