Sen. Markwayne Mullin (R-OK) came into the U.S. Senate on Thursday wearing a cowboy hat in protest of a recent incident in ...

As the junior senator from Oklahoma, Sen. Markwayne Mullin (R-OK), 47, has amassed an unusual level of clout in a chamber ...

The Senate voted Monday to confirm Oregon politician Lori Chavez-DeRemer as U.S. labor secretary, a cabinet position that puts her in charge of enforcing federally mandated worker rights and ...

Sen. Markwayne Mullin (R-Okla.) on Tuesday referred to Canadian Prime Minister Justin Trudeau as “governor,” as the senator defended President Trump’s tariffs against the neighbor to the north. In ...

President Trump kicked off a trade war Tuesday, levying major tariffs on the top three U.S. trading partners — Canada, Mexico ...

He plays a very constructive role,” Senate Majority Leader John Thune said in an interview. “He’s just a guy who is always looking and driving to try to get things done.

Sen. Markwayne Mullin cast doubt on suggestions from Ukrainian President Volodymyr Zelenskyy that Russian President Vladimir Putin could invade NATO allies ...

Sen. Markwayne Mullin (R-OK) underscored how the recent cuts to the federal government are needed so it can address the national debt of the United States. Trump continues to call Chuck Schumer a ...

NBC host Kristen Welker clashed with Sen. Markwayne Mullin (R-OK) after billionaire Elon Musk convinced President Donald Trump's government to slash thousands of jobs. During a Sunday interview on ...

Oklahoma Republican Sen. Markwayne Mullin told NBC's "Meet The Press" that he agrees with the Trump administration that the U.S. should only remain part of the NATO Alliance as long as it is in ...

Sen. Markwayne Mullin (R-OK) underscored how the recent cuts to the federal government are needed so it can address the national debt of the United States. “I don’t want anybody to lose their ...

Markwayne Mullin (R-OK) and Teamsters President Sean O’Brien opened up to Fox News about how President Donald Trump inspired their surprising “friendship” after the two nearly came to blows on the ...