Half of the original founding team at Elon Musk’s artificial intelligence startup xAI has now departed after two co-founders resigned in rapid succession this week, raising fresh questions about talent retention ahead of an expected initial public offering.Half of the original founding team at Elon Musk’s artificial intelligence startup xAI has now departed after two co-founders resigned in rapid succession this week, raising fresh questions about talent retention ahead of an expected initial public offering.Business[#item_full_content]