Gaines County has highest rate of uninsured residents in U.S.     SEMINOLE – Gaines County is the worst county in the worst state in the country when it comes to people who have health-care insurance.     A 2017 Census Bureau survey of the United States to determine the percentage of the nation’s population under 65 years of age with and without health-insurance coverage showed The State of Texas ranked 50th – last place.     Despite a 5.4 percent increase in the number of people with health-care insurance from 2013-2017, Texas was still the nation’s worst with 19.5 percent of the state’s 24-plus million people ...