In Kansas, Kris Kobach will try to win the Republican Senate nomination against Rep. Roger Marshall. Squad member Rep. Rashida Tlaib (D-MI) faces a primary challenge in Michigan while Cori Bush, who is backed by the Justice Democrats, is trying to unseat Rep. Lacy Clay (D-MO). Voters in Missouri will also vote to expand Medicaid while Sheriff Joe Arpaio will attempt to make a comeback in Arizona. Stay tuned to Breitbart News for live updates. All times Eastern.