Party affiliation is, im a trumpcrat. Nbc news has learned that william barr considered quitting over the president s tweet but is that a head fake to save his reputation. I do make his job harder, i think thats true. The attorney general is a man with incredible integrity. And good day, everyone. Im Andrea Mitchell where what happens in vegas could change the direction for the 2020 campaign. Mike bloombergs first appearance on the debate stage tonight with Bernie Sanders expected to lead the charge in going after the former mayors policies and comments. Bloomberg who just qualified for the debate will be standing stage left, but hell be the center of attention in tonights political battle taking heat from all the other candidates ahead of his first debate action in more than a decade. All the focus on bloomberg overshadowing the new reality in this race, the strength of a clear frontrunner, Bernie Sanders. Our new nbc news poll is one of three National Polls showing senator sanders wi