Sen. Markwayne Mullin would provide unique experience to the Department of the Interior, said Shawnee Tribe Chief Ben Barnes.

Rolling Stone said Oklahoma U.S. Sen. Markwayne Mullin is a likely candidate to head either the Department of the Interior or ...

"I just never did the dig to find out his actual degree," Markwayne Mullin said on Sunday about his former colleague.

Over the weekend, key members of Donald Trump’s incoming administration were photographed eating McDonald’s aboard the ...

If Mullin assumes a position in Trump’s Cabinet, Gov. Kevin Stitt would appoint someone to Mullin’s seat in the U.S. Senate ...

If Mullin assumes a position in Trump's Cabinet, Gov. Kevin Stitt would appoint someone to Mullin's seat in the U.S. Senate under Oklahoma law. That appointee would be required to promise to not ...