Tense debate about race on CNN gives preview of what’s to come in 2016 election www.yahoo.com/politics/tense-debate-about-race-on-cnn-gives-preview-of-171422334.html In a preview of just how ugly a general election matchup between Donald Trump and Hillary Clinton could be, two CNN commentators got into a heated debate over race Tuesday night - with name-calling and accusations that went beyond the typical election analysis.