Carl Hulse and Carrie Dann: Sloppy Joe, Beto's hope and the most consequential event of the 2016 election

Carl Hulse, New York Times Chief Washington Correspondent and author of the upcoming book "Confirmation Bias" joins Chuck Todd and Carrie Dann from the NBC News Political Unit to discuss allegations of plagiarizing in a Biden policy paper.  Learn more about your ad choices. Visit megaphone.fm/adchoices