1. The Mandela Deepfake That Fooled a 94-Year-Old Picture this: a 94-year-old grandmother, sitting comfortably in her living room, holding her grandchild’s smartphone. The screen glows with the familiar, beloved face of Nelson Mandela — the late former president, the father of the nation, a symbol of hope that carried South Africa through its darkest hours. His voice, warm and authoritative, speaks directly to her. He tells her, with a certain gentle urgency, that the African National Congress has failed the people, that the party is corrupt, that pension funds have been stolen. He urges her, specifically, not to vote…

On a cool evening in Oshkosh, Wisconsin, a small but steady stream of people filed into a warmly lit community room near downtown, and if you had been there you might have mistaken it for a parent-teacher night or a church potluck. There was a long table near the door with name tags, a sign-in sheet, a stack of printed brochures, and, because this is Wisconsin, a jar of peppermints. Some people arrived straight from work, still wearing their uniforms and lanyards. Others came in comfortable sweaters and Packers hats. They were not there for a movie screening or a…