Posted by Politics (Sponsor: Moe Bergman for City Council)

Channel 5 -- Democratic U.S. Sen. Elizabeth Warren, a possible presidential contender in 2020, has often used her Republican challenger Geoff Diehl as a foil for Trump as she seeks re-election to the Senate. (1:28) Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news: http://www.wcvb.com Like us: https://www.facebook.com/wcvb5 Follow us: https://twitter.com/WCVB Instagram: https://www.instagram.com/wcvb5/