ron paul not too far behind. let s go out front. captions by vitac www.vitac.com and a good evening to you. i m brooke bolduan sitting in for erin burnett. you know that clock, it is ticking away. candidates have four days left to pick up support for the nation s first contest in the race for the gop nomination. first up, mitt romney bringing out the big guns and the very popular chris christie stumping on his behalf and the new jersey governor had what we ll call a bit of a stern warning for the voters of iowa. take a look. i m in a good mood this morning. i m feeling happy and upbeat. let me tell you, you cannot disappoint me on tuesday. you don t do what you re supposed to do, i will be back jersey style, people. i will be back! back jersey style, he says. chris christie might get what he wants a new poll was released what the poll has indicated in the hawk eye state. romney on top, trailed closely by ron paul, rick santorum in third with 15% and newt gingrich,