us in 2010, we're expecting anywhere between 720 and 740,000 signatures, well short of the number that they threw out in the beginning which is about a million signatures. we have 5.6 million people in the state of wisconsin. we won't be steam rolled by a vocal minority. megyn: lieutenant governor, thank you so much for being here. >> my pleasure. megyn: all the best. well, the gloves come off just days before the south carolina primary. feisty exchanges between rick santorum and ron paul. did the former pennsylvania senator convince voters to coalesce behind him? [applause] straight ahead, senator santorum joins us live. plus, one school district now tracking children's weight, their vital signs, their exercise with electronic monitors. is this big brother run amok or a big step forward in fighting obesity? and "newsweek" is asking why are obama critics so dumb? wait until you hear how some of