South Korea is stress-testing how an advanced economy can roll out AI without letting scams, deepfakes and slop wallop public trust, says Catherine Thorbecke for Bloomberg Opinion. TOKYO: Nearly a decade ago, long before ChatGPT wowed the world with its humanlike conversational abilities, Google DeepMind’s artificial intelligence (AI) system stunned South Korea when it beat legendary Go player Lee Sedol during a televised tournament in Seoul. The Go master and 18-time world champion of the