The National Archives has opened a new permanent exhibit that uses machine learning to help visitors navigate billions of pages of U.S. historical records, marking the first time a museum on the National Mall has powered an exhibit with artificial intelligence. The exhibit, called "The American Story," debuted in November as the nation heads toward its semiquincentennial in 2026 — the 250th anniversary of the United States. Archivists and exhibit designers say the technology is intended to make the federal record easier to explore while maintaining historical integrity by pointing visitors to real documents rather than generating new material. The...