much success and how much money have you made in business. >> shepard: a lot of name calling today. mitt romney telling rick santorum using a dirty trick to try to kidnap the primaries. open election so democrats can vote too. listen to this robo call the santorum campaign is running. >> on tuesday, join democrats who are going to send a loud message to massachusetts mitt romney by voting for rick santorum for president. this call is supported by hard-working democratic men and women and paid for by rick santorum for president. >> shepard: mitt romney calls that outrageous and disgusting. his words. it's a fight to the finish with much more than michigan's 30 delegates on the line tonight. a whole lot more. team fox coverage now. martha maccallum brand new information on exit polls. first to carl cameron at know via, michigan. these candidates went after each other today.