OAKLAND, California — The third day of Elon Musk’s testimony in his high-stakes trial against OpenAI began with a bout of bickering over whether AI could lead to the “extinction” of the human race. “This is a real risk, we all could die as a result of artificial intelligence,” Musk’s attorney Steven Molo said in the courtroom, in objection to Judge Yvonne Gonzalez Rogers’ attempts to shut down the discussion. Rogers fired back, reminding Molo to stay focused on the issue on trial: that Musk