A U.S. appeals court on April 17 put on hold a lower court order that had halted construction of the White House ballroom, allowing the project to proceed for now. Previously, U.S. District Judge Richard Leon issued a preliminary injunction blocking above-ground construction of the ballroom but allowed “below-ground” construction of national security facilities to continue. Leon had said the project cannot continue without authorization from Congress. A three-judge panel of the U.S. Court of Appeals for the District of Columbia Circuit on April 17 blocked Leon’s injunction and scheduled a June 5 hearing to decide on whether the project should be halted....