Is Elon Musk on ketamine? And if he is, is he taking so much of it that it's wreaked havoc on his bladder? According to Musk: no. "I'm not on ketamine ffs," he fumed on his website X, using the shorthand for "for fuck's sake." But Grok, his "maximum truth-seeking" AI chatbot, has once again betrayed its creator and seems to be arguing otherwise. "The claims about Elon Musk's drug use, including ketamine, ecstasy, and psychedelic mushrooms, appear likely true," Grok wrote, when asked to weigh in on the New York Times reporting that he was abusing the substances daily. […]