Tech billionaire Elon Musk on Monday filed a second lawsuit against the founder of ChatGPT developer OpenAI, Sam Altman, two months after dropping a first case. The Tesla boss claims that Altman and “his accomplices” obtained his stake in the artificial intelligence (AI) start-up under false pretences. In the lawsuit, Musk’s lawyers said deceipt is “of Shakespearean proportions.” OpenAI had no initial comment on Musk’s new legal action. In the first lawsuit, filed in February, Musk had accused OpenAI of violating the company’s founding agreement. Musk argued that the company he co-founded in 2…