"The best news about these hearings is we finally found the dumbest person in the senate and his name is Markwayne," the late ...

Sen. MarkWayne Mullin (R-Okla.) joins CNBC's 'Special Report' as President-elect Donald Trump is inaugurated as the 47th U.S.

Oklahoma Senator Markwayne Mullin, whose reputation as a congressman is tied to outbursts of threatened violence, is under heavy consideration for a Trump administration cabinet position.

Republican Sen. Markwayne Mullin tried to defend Hegseth against allegations of sexual misconduct and alcohol abuse. It didn't go especially well.

A group of Republican senators introduced legislation that would restrict the purchase of land near U.S. military ...

Sen. Markwayne Mullin (R-Okla.) said on Wednesday that Democrats who voted for the Laken Riley Act are “playing politics.” ...

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-OK) previewed Senate action in anticipation of Pete Hegseth’s confirmation to be defense secretary, ...

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.

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 ...

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 ...