Sen. Markwayne Mullin, R-Okla., on Sunday cast doubt on suggestions from Ukrainian President Volodymyr Zelenskyy that Russian President Vladimir Putin could invade other countries beyond Ukraine ...

As Ukrainian President Zelenskyy warns that Russia could be eyeing advances into NATO nations, Sen. Markwayne Mullin (R-Okla.) says he does not believe that will happen. Senate votes to avoid ...

MARKWAYNE MULLIN: First of all, I don't believe for a second that Russia is going to advance the war in any other country right now. It'd be extremely dangerous, and he will call President Trump's ...

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.

We're here to build relationships, to move the ball forward,” Mullin told the Washington Examiner in an interview from his ...

Markwayne Mullin (R-OK) dismissed President Donald Trump's approval rating as reported by CNN, responding that it is still ...