Across America—and around the world—democracy is fraying. Rising authoritarianism, disinformation at unprecedented scale, and systemic failures have deepened polarization and eroded trust in every institution meant to bind us together. At the same time, artificial intelligence has entered public life in ways unimaginable just a decade ago. Tools that can simulate speech, generate plausible lies, and harvest our fears for profit threaten to accelerate the very fragmentation they could help heal.