U.S. Sen. Markwayne Mullin said it's hypocritical to reject Trump's Defense pick: "How many senators have shown up drunk to vote at night?" ...

Mark Zuckerberg is itching for a fight. Markwayne Mullin, a Republican Senator from Oklahoma, revealed that the Facebook founder has invited him to spar multiple times while talking to human cringe ...

Pals: U.S. Sen. Markwayne Mullin, a former professional MMA fighter, told conservative commentator Benny Johnson that he and Facebook founder Mark Zuckerberg could be rolling around on the mat soon.

Sen. Markwayne Mullin electrified a Senate confirmation hearing on Tuesday by accusing fellow senators of carousing and voting while drunk even as they accused defense secretary nominee Pete Hegseth ...

Oklahoma Sen. Markwayne Mullin accused his colleagues of voting while drunk during a heated confirmation hearing for Secretary of Defense nominee Pete Hegseth. Much of Tuesday’s drama ...

Sen. Markwayne Mullin, R-Okla., expressed confidence that Pete Hegseth would be confirmed as defense secretary, despite opposition from GOP moderates. But Fox has learned there are "still a few issues ...