i'm here with george stephanopoul stephanopoulos. >> i think he did it today for a couple of reasons. first, he had this health problem, this health the hospital over the weekend, the 3-year-old suffering from a -- he was facing the next primary in his home state of pennsylvania on april 20 tourth. he was facing a barrage, likely barrage from mitt romney and the chance he would lose his home state of pennsylvania which would risk sacrificing all the gains he's made. remarkable he's made in this campaign. what this will preserve today is his ability to be a continuing for in the conservative movement. continuing force in the republican party. >> john carr is standing tell us what you this think the romney camp is doing today? >> the romney campaign is getting ready for that general election something they were already facing but not taking this for granted. the romney campaign had readied a harsh ad attacking santorum they were going to run relentlessly in the state of primary. that ad was pulled, santorum's 3-year-old daughter was in the hospital over the weekend. now that ad will nev