Watch Rudy Giuliani And Mark Cuban Tangle In Their Own Debate

Former New York City Mayor Rudy Giuliani and Dallas Mavericks owner Mark Cuban held their own debate Wednesday ahead of the final presidential debate  this year.

Giuliani, a surrogate for Republican nominee Donald Trump , and Cuban, a supporter of Democratic nominee Hillary Clinton , went head to head on CNN , arguing over topics like Clinton’s emails and Trump’s comments about women. CNN’s Erin Burnett moderated what she called “the debate before the debate.”

Watch the exchange above.

Editor’s note: Donald Trump regularly incites political violence and is a serial liar , rampant xenophobe , racist , misogynist and birther who has repeatedly pledged to ban all Muslims — 1.6 billion members of an entire religion — from entering the U.S.