in nashville. and a woman today up today and said president obama is a muslim. how did the candidate respond? senator santorum joins us tonight. tonight the spotlight s on florida and the pressure is on the republican presidential candidates and it isable. the more intense the pressure, the more personal the attacks. just a week ago mitt romney held a comfortable lead. today, florida a dead heat. it s not just florida that has team romney more than a little nervous. a new tracking poll shows govern romney speaker gingrich in a virtual tie among republicans. just a week ago, romney was more than 20 points ahead. romney today warranted voters, take another look. as you look at the speaker s record over time, it s been highly erratic. and in the case of the speaker, he s got some records which could represent an october surprise. we could see an october surprise a day from newt gingrich. there s a blistering new campaign ad targeting gingrich. sanctioned for ethics violati