Republican Oklahoma Sen. Markwayne Mullin, a former mixed martial arts fighter, nearly came to blows with the president of the Teamsters at a Senate hearing Tuesday, forcing Chair Bernie Sanders, I-Vt., to step in to stop a brawl from breaking out in the Senate Health, Education, Labor and Pensions Committee room. NewsNation’s Chris Cuomo asks: What happened to decency? #Capitol #Senators #Mullin "On Balance with Leland Vittert" takes a critical look at some of the day's hottest subjects. Weekdays at 7p/6C. #OnBalance NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij