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

GOP senator admits tariffs are taxes that are paid by US consumers Sen. Markwayne Mullin (R-OK) called tariffs "a tax" that ...

Sen. Markwayne Mullin has been a long-time Trump supporter. That closeness could benefit the state, but also could bring a ...

Sen. Markwayne Mullin, R-Okla., discusses the House's upcoming vote to avert a government shutdown and how the markets are ...

GOP senator calls tariffs a tax to be paid by consumers Sen. Markwayne Mullin (R-OK) called tariffs "a tax" that he says will ...

Republican Sen. Markwayne Mullin (Okla.) joins Meet the Press for an exclusive interview to discuss how President Trump is trying to end the war between Ukraine and Russia.

Sen. Markwayne Mullin (R-Okla.) on Tuesday referred to Canadian Prime Minister Justin Trudeau as “governor,” as the senator ...

Sen. Markwayne Mullin cast doubt on suggestions from Ukrainian President Volodymyr Zelenskyy that Russian President Vladimir ...

During a press conference earlier this week, Trump's press secretary Karoline Leavitt said that the Republican leader “feels ...

Markwayne Mullin (R-OK) insisted that Pete Buttigieg ... Mullin lashed out at the former transportation secretary in a Tuesday Fox News interview after Buttigieg demanded to know how many FAA ...