CBS Affiliates | Politics | Top 10 Scott Brown, Elizabeth Warren Face Off in WBZ Debate By Merrill Knox on Sep. 21, 2012 - 11:27 AM Massachusetts Senator Scott Brown (R) and his opponent, Elizabeth Warren (D), squared off last night in their first televised debate, hosted by Boston CBS O&O WBZ. The debate, moderated by WBZ political analyst Jon Keller, air ...