Missouri, Kansas and Washington state also held primary votes on Tuesday. Progressive community organiser William Lawrence won the Democratic nomination for the 7th district of Michigan, defeating Bridget Brink and Matt Maasdam. He will challenge incumbent Republican Tom Barrett in November. He will face incumbent Republican Senator Roger Marshall in the fall. In the Democratic gubernatorial primary, Cindy Holscher won the primary with 48.6 percent of the vote, defeating Ethan Corson and Curt Skoog.