States cannot limit the work of navigators and other consumer assisters who help people enroll in health insurance through the Affordable Care Act's exchanges, a federal appeals court ruled Friday (April 10) in Missouri v. St. Louis Effort for AIDS . The U.S. Court of Appeals for the Eighth District partially upheld a federal district court's preliminary injunction issued in January 2014, stopping Missouri's Health Insurance Marketplace Innovation Act (HIMIA) from imposing more requirements or limitations on the state's federally...