Mullin was elected to the Senate in 2022, making this the first time he’s gone through confirming nominees at the start of a ...

During a Senate Health, Education, Labor, and Pensions Committee hearing in 2023, Mullin challenged O’Brien to a fight in ...

Okla., and Teamsters president Sean O’Brien discuss how they reconciled and became friends after their heated verbal spat on ...

Markwayne Mullin and Sean O'Brien opened up about how Trump inspired their surprising "friendship" after the two nearly came to blows on the Senate floor.

During a Senate Health, Education, Labor, and Pensions Committee hearing in November 2023, Mullin challenged O’Brien to a fight in response to insults hurled by O’Brien on X. “This is the ...

More than a year since they almost came to blows, Teamsters President Sean O'Brien and Sen. Markwayne Mullin (R-Okla.) are ...

Oklahoma Sen. Markwayne Mullin introduced labor secretary nominee Lori Chavez-DeRemer at her confirmation hearing Wednesday, ...

Senators questioned the former Oregon Republican congresswoman about a bill she co-sponsored known as the PRO Act.

“You’re very uniquely positioned,” Sen. Markwayne Mullin (R-Okla.), who had exchanged harsh words with Teamsters President Sean O’Brien in 2023 as labor activity surged across the country ...