Tad Devine on his new book "How the Democrats Screwed Bernie"

Following the recent wins of Abdul El-Sayed and MN Lieutenant Gov. Peggy Flanagan, Major speaks with Tad Devine about the current intra-party debate between establishment and progressive Democrats. As the former Chief Campaign Strategist for Bernie Sanders, Devine has a new book, "How the Democrats Screwed Bernie," that details the rise of the Vermont independent legislator's first presidential…