Mealey's (April 20, 2018, 2:36 PM EDT) -- WASHINGTON, D.C. — A federal claims judge on April 17 certified a class action involving insurers’ claims that the federal government failed to make timely payments under the Patient Protection and Affordable Care Act (ACA) cost-reduction program (Common Ground Healthcare Cooperative v. The United States, No. 17-877C, Fed. Clms., 2018 U.S. Claims LEXIS 317)....