OpenAI’s chief scientist Ilya Sutskever has been missing in action ever since his ill-fated “palace coup” in November. Now, the startup’s CEO Sam Altman has answered the question that has been on everyone’s mind since then. What Happened: Altman addressed the question about Sutskever’s whereabouts on the Lex Fridman Podcast. Fridman jokingly asked Altman if Sutskever was “being held hostage in a secret nuclear facility.” Not only did Altman deny it, but he laughed about it with Fridman, who pointed out that it has become a meme of sorts on social media. While Altman was briefly ousted, he’s no…