A healthcare company closed down the only clinic in town that takes Medicaid—and workers say it’s union busting. Shannon Gooden is a dental receptionist with River Hills Community Health Clinic in Centerville. She and 20 other workers there are still reeling after they were told River Hills was closing their clinic on July 31. “I believe it was solely because of the union,” Gooden told me this week. “Because it’s just all so fishy.” Rural healt…