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

Sen. Markwayne Mullin (R-OK) and International Brotherhood of Teamsters President Sean O’Brien have made up after coming to ...

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

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

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

The fate of Lori Chavez-DeRemer could show whether Trump will soften the party’s long-standing opposition to labor unions.

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

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 ...

Sen. Markwayne Mullin, R-Okla., and Teamsters President Sean O’Brien made headlines in November 2023 for their heated argument after the representative confronted the union boss on his critical ...

Sen. Markwayne Mullin (R-OK) and International Brotherhood of Teamsters President Sean O’Brien have made up after coming to blows during a Senate hearing in 2023 in an effort to prop up ...