let s go. and good evening to you, i m brooke baldwin sitting in for erin burnett. out front, crunch time in iowa. you know the clock is ticking away. and candidates four days left to pick up support for the nation s first contest in the gop nomination. first up is mitt romney bringing out the big guns and look at this, the very popular chris christie stumping on his behalf and the new jersey governor had what we will call a stern warning for the voters of iowa. take a look. i m in a good mood this morning and i m feeling happy and upbeat, but let me tell you if you people disappoint me on tuesday quiet down. if you don t do what you are supposed to do tuesday for mitt romney, i will be back, jersey-style, people, i will be back. that jersey style he says, but will chris christie get what he wants? a new poll was released echoing clo closely what our own cnn poll has indicated in the hawkeye state. romney on top here clearly trailed closely by ron paul, and rick s