Sen. James Lankford (R-Okla.) was elected vice chairman of the Republican conference during Wednesday’s leadership elections.

U.S. Senator Markwayne Mullin, R-OK was on CNN's The Lead with Jake Tapper on Wednesday where he talked about the U.S.

Oklahoma’s two Republican U.S. Senators did not choose the candidate preferred by President-Elect Donald Trump’s inner circle ...

An Oklahoma tribal leader said he was excited about the possibility of U.S. Sen. Markwayne Mullin being appointed as ...