Okla., responded to Sen. Rand Paul's questioning about a 2023 incident between Mullin and Teamsters President Sean O'Brien.

Sen. Rand Paul (R-KY) confronted Sen. Markwayne Mullin (R-OK) on Wednesday with footage of Mullin nearly getting into an ...

O’Brien’s personal appearance at Mullin’s hearing is a warning to workers that the union bureaucracy is aligning itself ever more openly with dictatorship, war and the repression of the working class.

The Oklahoma senator has a reputation for a short fuse and lucrative stock trades ...

U.S. Sen. Markwayne Mullin faces questions in the U.S. Senate Wednesday during a public confirmation hearing to lead DHS.

Supporters of Sen. Markwayne Mullin say he'll use his well-documented passion to carry out Trump's immigration enforcement agenda.

President Trump's pick to run the Department of Homeland Security is short on experience and long on anger-management issues.

The Senate on Monday confirmed Sen. Markwayne Mullin (R-Okla.) to lead the Department of Homeland Security (DHS) after ...

Markwayne Mullin has been confirmed by the Senate to serve as the new Homeland Security Secretary, succeeding Kristi Noem, ...