Washington  — Inside FEMA Headquarters' National Response Coordination Center, as a hypothetical Category 2 hurricane bore down near Creole, Louisiana, maps of the storm glowed on television screens. Staff announcements rang out on a PA system. Emergency managers leaned over laptops and traded updates in sidebars.  FEMA staff, the Salvation Army, the American Red Cross, the Department of Interior, the National Guard, the Coast Guard and state and local coordinators sat in rows — a whole