Oklahoma Republican Sen. Markwayne Mullin told NBC's "Meet The Press" that he agrees with the Trump administration that the U.S. should only remain part of the NATO Alliance as long as it is in our national interest: SEN.

Sen. Markwayne Mullin cast doubt on suggestions from Ukrainian President Volodymyr Zelenskyy that Russian President Vladimir Putin could invade NATO allies

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.

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.

GOP Sen. Markwayne Mullin said Trump has the capability to apply pressure to Russian President Vladimir Putin to negotiate a deal to end the war in Ukraine.

"President Trump is the only one who could have prevented this war from taking place," Mullin said during a CNN interview.

Sen. Markwayne Mullin (R-Okla.) says he thinks people need to “trust the process” in President Trump’s peace talks with Russian and Ukrainian leaders. “Right now, people are dying every single