Pittsburgh's Public Source on Instagram: "Lobbing curse-laden insults with TV’s famously serene painter Bob Ross. Cracking jokes about school shootings. Being escorted in handcuffs by federal authorities. No, it couldn’t be Pittsburgh’s beloved icon Mister Rogers — the picture of moral clarity and togetherness. But it sure looks and sounds like him. What gives? A growing wave of AI-generated deepfakes is distorting his likeness and warping a voice so many trusted. The institutions who protect hi