Wisconsin's health insurance co-op, Common Ground Health Cooperative, recently amended an earlier lawsuit over the risk corridor payments and now is also challenging the government's October decision to end cost-sharing reduction payments in the U.S. Court of Federal Claims. The suit, updated in November, also requests class action status for the both aspects of the case. GCHC asks to be the lead plaintiff in the class action for issuers who are owed cost-sharing reductions for 2017 and 2018. In December,...