Oklahoma Senate primary kicks off to replace Mullin
Oklahoma voters will choose party nominees to contest the U.S. Senate seat left vacant after Markwayne Mullin joined the Biden administration as Homeland Security Secretary.
Oklahoma voters head to the polls Tuesday to begin selecting nominees to fill the U.S. Senate seat vacated when Markwayne Mullin became Homeland Security Secretary. Both major parties will hold primaries to determine their candidates for the special race.