More good reporting from The Verge folks in the courtroom:

Judge Yvonne Gonzalez Rogers started asking Birchall questions herself, and it clearly was making Birchall nervous. Birchall said he doesn’t remember discussing the xAI bid with Musk or Shivon Zilis or any other principal of the Musk organization. It sure sounded like Musk’s lawyers hadn’t given OpenAI proper discovery on this topic in the depositions, and so we were doing a fast and dirty deposition with the judge right then.