>> by the way, did any of you see those debates? well, i stood next to donald trump for four-and-a-half hours proving conclusively i have the stamina to be president and commander-in-chief. >> brian stelter, in terms of the campaign over the past five or six days, 70,000 tv ads played, 92% negative, only 8% with any kind of positive, 8% to 10% had a positive message. today is about voting, brian stelter, about tomorrow it will be about what kind of tone is left in this country still, isn't it? >> and hopefully the candidates can play a leadership role, both can play a leadership role in that regard. i would point out hyperpolarization was happening before trump and clinton. this has been happening for years. it has been getting worse, partly because of our media echo chambers and partly because of our social media lives. but these candidates can have a