good evening upon. i m ali velshi sitting in for erin burnett tonight. out in front, campaign is kicking into high gear. candidates are criss-crossing the state, trying to pick up last-minute support for the first con tefrt in the race for the gop nomination. let s go straight to the political correspondent. jim acosta is on the ground in iowa. good to see you. lots of campaign events and everybody is back in the game. a recent poll shows 12% of voters in iowa, still undecided. you spoke with the iowa gop chair about the race. what did he have to say? ali, basically he said this is a caucus race in iowa that he has never seen before. basically, this is the most unsettled field of candidates that a lot of republican operatives have seen in the state for a long time. if you look at the polling you have three candidates at the top right now. mitt romney, newt gingrich and ron paul and there is a medium tier of the other three candidates. rick santorum, michele bachmann and ric