A federal appeals panel is set to hear oral arguments Jan. 9 in the high-profile lawsuits over the White House’s decision to stop reimbursing issuers for the Affordable Care Act’s cost-sharing reductions, and the government could be out billions, potentially in perpetuity, if the judges uphold the decision by the U.S. Federal Court of Claims. The court will hear arguments in the cases brought by Sanford Health Plan, Montana Health CO-OP and Community Health Choices, which were consolidated in appeal...