NewsUSTrump says AI leaders signed a 'constitution' to police themselvesSource: ABC News - Breaking News, Latest News and VideosSeptember 29, 2026Image: ABC News - Breaking News, Latest News and VideosOpen in NewsRead on ABC News - Breaking News, Latest News and Videos2026 midterm election results: All U.S. Senate, House and governor racesWBAL-TVEcstatic scenes and historic moments: What's happened so far in the midtermsBBCMidterms 2026 Election ResultsDeadline