GOP senator, Teamsters president nearly brawl in Senate hearing  

Oklahoma Sen. Markwayne Mullin (R), a former mixed martial arts fighter, nearly came to blows with the president of the Teamsters at a Senate hearing on 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.   Mullin challenged…