if i told you what you'll be looking for the most, most anxious to hear and see tonight what would that be? >> i want to see how donald trump can change the number in the latest polling indicating that only 37% believe that he has the judgment to serve effectively. that's really what this whole debate has to be about for him, is changing that number. on policy, the supreme court is everything. that is the only rational reason left for the e vvangelical porst has, and i would emphasize the supreme court as hugh hewitt predic predicts. >> here we go, we're underway from las vegas. good evening from the thomas and mack center at the university of nevada las vegas. i'm chris wallace of fox news. i welcome you to the third and final of the 2016 presidential