Elon Musk spent three days on the witness stand to testify in his high-stakes lawsuit against OpenAI. JOSH EDELSON / AFP via Getty Images The author was in the Oakland courthouse when Elon Musk testified in his case against OpenAI. Musk's testimony started with his life story and ended with a lengthy spar with OpenAI's attorney. The presiding judge runs a tight schedule and is not shy about putting billionaires in their place. The air in Downtown Oakland felt different the morning Elon Musk...