A combination of term-limits, retirements, aspirations for higher office and one high-profile presidential appointment have triggered a wave of open seats in Oklahoma's state primary on Tuesday.

Georgia Republicans will finalize their picks in marquee races for U.S. Senate and governor in a state primary runoff election on Tuesday.

The top race of the day is in Georgia, where Republican voters will pick a nominee to challenge Senator Jon Ossoff, a Democrat.

© Audra Melton for The New York Times, David Walter Banks for The New York Times