CNN CNN Newsroom With Fredricka Whitfield September 13, 2015 20:38:00
Counter-puncher. he's been trying to step back a little bit from starting fights with folks and he is just there to hit back when they hit him. >> does that work forever? >> certainly working right now. we've never seen this happen in our lifetime. we've never seen a candidate who is a reality tv star, very successful businessman leading in the polls. i do think it's unsustainable unless donald trump really starts releasing policy papers. >> who does donald trump worry the most about on that stage? >> marco rubio. >> carly fiorina. >> a lot to think about. thanks so much for being with us. the...