santorum and what the difference between romney and santorum. but this was a major surprise, because santorum had been polling in single digits until about a week before caucus day. he searched really in the final five or six days of the caucuses, and just pulled out a surprise victory. the interesting thing, as romney had been favored to win iowa, we have seen all year before the caucus different candidates rick perry for, while newt, cambridge and -- risen up briefly, taking the lead in polling, only to fall back. we have seen before this, there was an appetite among republicans for a romney alternative. and you just happen to be it, seems rick santorum's turn to try on that roll right as the caucuses arrived. so he rosa, he won the caucuses, he did not do much in new hampshire, than gingrich other, moment santorum had another moment leana primaries. no one was able to win together and obviously not go -- but there is a candidate who is