That’s the big race to watch on a day when Missouri, Virginia, and Washington are also voting. Democrats expect Stevens to run strong in this district in her Senate race, but are skeptical that Thanedar can hold on. Kansas governor: Very early in this race, Democratic incumbent Laura Kelly, who’s term-limited, endorsed state Sen. Ethan Corson to succeed her. After this last year’s GOP redistricting, it’s the only safe Democratic seat in Missouri. The GOP is targeting the seat with John Braun, the state Senate minority leader, with none of Kent’s baggage.