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.

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

Sen. Markwayne Mullin said people should not judge Pete Hegseth because everyone has "made mistakes," curiously adding, "I'm ...

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 ...

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

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

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

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 ...

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 said it's hypocritical to reject Trump's Defense pick: "How many senators have shown up drunk to ...