U.S.WorldBusinessArtsLifestyleOpinionAudioGamesCookingWirecutterThe AthleticAdvertisementSKIP ADVERTISEMENTYou have a preview view of this article while we are checking your access. When we have confirmed access, the full article content will load.In his lawsuit against OpenAI and its chief executive, Sam Altman, Mr. Musk relies on a provocative paper from the start-up’s closest partner.Last spring, Microsoft’s research lab became the first company to say GPT-4 showed “sparks” of “artificial gen...