U.S. Senator Markwayne Mullin rose from his seat and challenged Teamsters union president Sean O’Brien to a fight, before committee chair Bernie Sanders stepped in defuse the confrontation. The verbal sparring began after Mullin, an Oklahoma Republican, paraphrased from a June tweet posted by O’Brien about the senator: “What a clown, a fraud. Always has been, always will be. Quit the tough guy act in these Senate hearings. You know where to find me. Any place, anytime cowboy.”   Mullin finished with an offer to fight O’Brien at the hearing. “Sir, this is a time, this is a place, if you want to run your mouth, we can be two consenting adults, we can finish it here,” he said, while pointing to the floor separating the two.   O’Brien responded, “OK that’s fine, perfect ... You stand your butt up, big guy.” Mullin then rose from his seat and moved to remove his wedding ring.   At that point Senator Sanders said to Mullin: “You’re a United States senator, sit down.”   🔗 Read more at our li...