Breaking: Biden picks Kamala Harris for VP, rattling Trump

07:30

See breaking news coverage as Joe Biden made the historic selection of Kamala Harris as his running mate, recruiting his one-time primary rival into a teammate against Pres. Trump in this excerpt from MSNBC’s The Beat with Ari Melber. (Guests include Errin Haines, Juanita Tolliver, Danielle Belton and Kristen Welker.)