Moda hHealth, an Oregon-based health insurance company, says the federal government owes it a quarter of a billion dollars. An appeals court disagreed. But this week, the U.S. Supreme Court announced that it would take up the case. John McConnell is the director of the Center for Health Systems Effectiveness at Oregon Health and Science University. He tells us what’s at stake for Moda, the Affordable Care Act, and other heath insurance companies around the country.