. >> saphris, i can not believe how civil it's been up here. >> reporter: civil indeed. and the debate just ended just moments ago. and now, analysts are doing what we call a postmortem. they're analyzing who did the best tonight. of course, when you read the headlines tomorrow, maybe we'll see marco rubio did a little better than people had anticipated. something else that came out of tonight's debate. donald trump made an announce ment that he's going to be endorsed tomorrow by a former presidential candidate. doctor ben carson. back to you. >>> a lot less contentious tonight. on the other side of the isle, bernie sanders rallied in tampa. the polls have him well behind hillary clinton here. he believes he can pull an upset just like he did in michigan two >> i think we have the momentum and the energy as you've indicated in michigan. we were way behind. we closed back out and got over the goal post in the last minute. i think we can do the same in florida and some of the other states. >>> hillary clinton joins supporters in north carolina tonight after spending most o