CNNW John King USA February 22, 2012
this volatile republican nominating contest. since the last debate nearly a month ago, rick santorum has surged into the lead in the national polls. but it's a mitt romney-santorum dead heat in one of the states that votes next, that's michigan. and the polls here in arizona suggest a late shift here perhaps in governor romney's favor. our chief political analyst gloria borger is here to get us started. gloria let's focus on the poll here today. we had a poll out yesterday that showed a relatively close rates here. but if you look at the nbc marist poll they show governor romney with...