6-point margin of error meaning that the soft-spoken surgeon and the blustering billionaire are in a tie, and more remarkable is the contrast from early august, and less than two months ago, dr. carson quadruples his standing from six points then to 23 now. note also the fall of jeb bush. he has now less than a half of the support that he had back then, and all of this, of course sh course, it could change tomorrow, and in two debates that you will see only right here on cnn from the ronald reagan presidential library, and if you don't believe that it is really anybody's race, let me show you one more find ing from the cbs/new york times poll, fewer than 4 republican voters in 10 who already or say they have already have the favorite candidate, they have totally made up their minds. have you made up your mind? 37%, but more than 6 in 10 say