WASHINGTON — A federal judge in Washington, D.C., on Tuesday, March 31, 2026, ordered the Trump administration to suspend construction of a proposed $400 million ballroom at the White House, a project that involved demolishing the historic East Wing. U.S. District Judge Richard Leon granted a preliminary injunction requested by a preservation advocacy group, temporarily halting further work on the project. The ruling represents a significant legal setback for former President Donald Trump?