In a sweeping defeat for Obama-era holdovers at the U.S. Department of Justice, a federal court has tossed out a case in which the department had subpoenaed a Christian pastor’s views on Islam. The Islamic Center of Culpeper, Virginia, had already won a favorable settlement in its Obama-aided case against the city, which agreed to provide a permit for the mosque to pump sewage from a site where it wants to build a mosque, even though state environmental officials had said the site was not suitable for a septic system. But that wasn’t enough for the lawyers who staff the...