Downtown Dallas, Georgia, about an hour outside Atlanta in the state’s 14th Congressional District. The district is a Republican stronghold that since 2021 had been represented by Rep. Marjorie Taylor Greene, a vocal ally of President Donald Trump before she split with him on economic issues and resigned from Congress in January 2026. (Briah Lumpkins/KFF Health News)Amber Bates of Cohutta, Georgia, is one of thousands of people without health in…