Sen. Markwayne Mullin (R-OK) got visibly agitated during a heated CNN exchange Wednesday as he defended President Donald ...

With just seven members, Oklahoma’s congressional delegation may be one of the smallest in the country, but in terms of influence, it's a political heavyweight.

During a Senate Appropriations Committee hearing last month, Sen. MarkWayne Mullins (D-OK) questioned officials about budget requests, ...

Senator Markwayne Mullin, one of Congress most notorious stock traders, has disclosed a series of transactions whose timing ...

In a video posted on social media Friday, Sen. Markwayne Mullin (R-OK) spoke about Ed Martin, President Trump's former nominee for DC Attorney.