the answer a definitive yes to both. >> donald, you know, is great at the one-liners. but he's a chaos candidate. and he'd be a chaos president. >> jeb doesn't really believe i'm unhinged. he said that very simply because he has failed in this campaign. it's been a total disaster. nobody cares. >> reporter: jeb bush taking it to donald trump not just once -- >> donald, you're not going to be able to insult your way to the presidency. that's not going to happen. >> reporter: not just twice -- >> if i'm president, i'll be a commander in chief, not an agitator in chief or divider in chief. >> reporter: at least three times and maybe, just maybe, getting under his skin. >> you're never going to be president of the united states by insulting your way to the presidency. >> you're real tough. i'm the 40, you're at 3, so far i'm doing better. >> doesn't matter. >> reporter: that was one battle. another between ted cruz and marco rubio on several fronts. domestic surveillance.