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

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

Maybe instead of advocating for bipartisanship, Americans ought to pivot to demand breath tests before roll calls, says ...

Sen. Markwayne Mullin asked his fellow senators on the Armed Services Committee whether they would meet the standards they ...

The Oklahoma Republican tried to defend Hegseth against allegations of sexual misconduct and alcohol abuse. It didn't go ...

Oklahoma Sen. Markwayne Mullin accused his colleagues of voting while drunk during a heated confirmation hearing for ...

Senator Markwayne Mullin discussed the contentious confirmation hearing for Pete Hegseth, addressing accusations of hypocrisy ...

Sen. Markwayne Mullin (R-Okla.) certainly didn’t hold back during the confirmation hearing for Secretary of Defense nominee ...

Sen. Markwayne Mullin has been an outspoken supporter of Pete Hegseth, President Donald Trump's nominee for Defense Secretary, amidst the backlash Hegseth has received over allegations of past ...

At Pete Hegseth's confirmation hearing, Oklahoma Senator Markwayne Mullin used his seven minutes to defend Hegseth against ...

Several Oklahoma leaders were inside the Capitol rotunda as President Donald Trump was sworn in as the 47th president of the ...

U.S. Sen. Markwayne Mullin, a former professional MMA fighter, told conservative commentator Benny Johnson that he and ...