- Julian Zelizer says the animosity in the debate audience reflects the intense hostility between the two camps
- He says the candidates and supporters clearly don't like each other, but can they unite against the GOP?
- If they don't, they could elect a Republican president, he says
(CNN)I was fortunate to have the opportunity to watch Thursday's Democratic debate in Brooklyn live and in person. Although I have seen the other debates on television, there was something more visceral about being there.