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) insisted that Pete Buttigieg "has no right to say anything" about plane crashes — despite his experience as the nation's former secretary of transportation.

Mullin reaffirms Trump’s controversial rhetoric about a Ukraine peace deal. Republican Sen. Markwayne Mullin said Sunday that President Donald Trump is the only one who has the ability to ...