The men are fighting in Congress. An argument at a Senate committee hearing nearly turned into a physical brawl today when GOP Sen. Markwayne Mullin stood up from his chair to challenge Teamsters President Sean O’Brien. “This is a time, this is a place. You want to run your mouth? We can be two consenting adults, we can finish it here,” Mullin said, before telling O’Brien to “stand your butt up.” (Sound on for the full exchange, and keep watching to hear Sen. Bernie Sanders intervene: “No, no, y