The current FBI headquarters building in downtown Washington, D.C., the J. Edgar Hoover Building, in a 2023 file photo. The building will be replaced, but a fight has flared up over where. (Photo by Jane Norman/States Newsroom)By Mike Murillo The city of Greenbelt is celebrating a legal victory in a fight to keep a plan to move the FBI headquarters to the Maryland city on track, even as Trump administration officials are filing notice of their e…