(July 26, 2023, 9:25 AM EDT) -- DENVER — A health care insurer with an excess errors and omissions (E&O) policy issued by a now-insolvent insurer appealed to the 10th Circuit U.S. Court of Appeals a district court’s order granting judgment for a liability insurer seeking a declaration that a directors and officers (D&O) policy issued to the health insurer does not provide coverage for claims in an underlying multidistrict litigation antitrust dispute....