Gallego Is Counting on Native Voters to Compete in Arizona Senate Race Ruben Gallego, a Democratic congressman vying for one of the most competitive Senate seats in the country, is pitching himself to Native American voters.
Republican Mark Lamb Files to Run for Kyrsten Sinema’s Senate Seat Mark Lamb, a sheriff and an ally of former President Donald J. Trump, will run for the seat held by Kyrsten Sinema, a Democrat-turned-independent.