bring in your own phone, switch to xfinity mobile and save hundreds of dollars a year. now that's simple, easy, awesome. get $100 back when you bring in an eligible phone. click, call, or visit a store today. we're back, special live coverage here in detroit, i'm brooke baldwin, it's awesome to be sitting here this afternoon, i guess you could call it the calm before the democratic debate storm. ten candidates getting ready for this high profile, high stakes night. some could be the beginning of the end for their 2020 hopes. for others, it would be the latest step pitting pragmatists in the film. a rematch between joe biden and kamala harris, whose clash over