Elon Musk took the stand in the OpenAI trial and faced nearly three hours of cross-examination from OpenAI's attorney. Bloomberg/Getty Images Elon Musk took the stand and faced nearly three hours of cross-examination from OpenAI's attorney. Musk's interactions with Shivon Zilis were scrutinized during the court proceedings. Exhibits show that Musk once saw himself as a potential OpenAI CEO. Elon Musk was grilled for nearly three hours by OpenAI's lawyer on his second day of testimony in a h...