A   16-year-old high school girl in an early-college program in North Carolina was ordered to meet with her professor to answer the charge that she had used artificial intelligence to write a paper for his class. Her mother didn’t like the adversarial tone of the instructor’s summons, and so she came in with her daughter. “I won’t say anything,” said the mother, “but I’ll be in the room.” The instructor presented his evidence. He had run her essay through an AI-detector program, and it came up