gingrich? >> because it is people like you -- >> he knows his stuff. and a snap sho of bernie sanders in the debates gone by, but tonight, the stakes could not be higher, and what is going to be the most important debate e yet, a nd as you look inside of the debate hall, 9:26 a.m., and join joining us is republican mike rogers our national security commentator and republican adviser hilary rosen, who would you say that -- well, almost everybody knows hillary clinton, and almost everybody knows bernie sanders and the other three, i willt get to that, but what about bernie sanders and the fact that some people know him and not everybody does, so how does he change that tonight and then change the people who don't know him to be voters for