we begin tonight with presidential politics. new numbers that underscore just how important our big debate here is tomorrow night and a new twist in the campai campaign conversation. a new cnn times poll shows a statistical dead heat this arizona. 36% for mitt romney, 32% for the surging rick santorum. add in a small santorum lead in michigan which also votes next tuesday, and what you get is a tense, volatile gop race as the final four candidates prepare for their first debate in nearly a month. in a moment how the tightness of the race is playing out among the candidates. but first a campaign commentary is stirring controversy. listen here to franklin graham, the son of the reverend billy graham, when asked on msnbc just this morning if he can say categorically that the president is not a muslim. i can t say categorically, because islam has gotten a free pass under obama. how so? well, we see the arab spring. coming out of the arab spring the islamists are taking co