RT @RAdamsDudleyMD: 41% of US counties have 1 or 2…

RT @RAdamsDudleyMD: 41% of US counties have 1 or 2 insurers on #ACA exchanges kff.org/health-reform/… @MartinSGaynor @ManhattanInst https://t.co/OIbgStgkqt