Police in the United States have arrested a man for allegedly throwing a Molotov cocktail at OpenAI CEO Sam Altman’s home and for making threats outside the artificial intelligence start-up’s headquarters.In a social media post, the San Francisco Police Department said an unknown man threw an incendiary device at a North Beach residence at 4.12am and then escaped on foot.The 20-year-old suspect was detained about an hour later after police received a call about a man threatening to burn...