than jeb bush. if true, how much is on the line for him. >> he's the former front runner who is significantly behind trump. he has given indications recently in public that trump has gotten under his skin. look for him to continue talking about his conservative record as governor of florida contrasting that with donald trump and saying wake up people, donald trump is not a real conservative. he's not a real republican. i think that's the line if you do see bush talk about trump, that will be the line you hear. bill: as you see you it, who has the most to learn? >> carson is doing rather well. carson is not an attack machine. as far as most on the line i