( July 17, 2026, 5:48 PM EDT) -- PHILADELPHIA — Ruling that neither the district court nor a state court has jurisdiction to enforce a subpoena against the U.S. Environmental Protection Agency because sovereign immunity had not been waived, a Pennsylvania federal judge refused to compel the EPA to respond to document requests made in a lawsuit over alleged injury from exposure to ethylene oxide (EtO), and the judge remanded the case to state court for further proceedings....