Markwayne Mullin defends conduct: ‘Every now and then, you need to get punched in the face’

Markwayne Mullin defends conduct: ‘Every now and then, you need to get punched in the face’

Sen. Markwayne Mullin (R-Okla.), the former mixed martial arts fighter who challenged a labor leader to a brawl in the middle of a Senate hearing room Tuesday, says that there’s a long history of v…