The US is already in a recession and it will be longer as well as deeper than many people expect, Warren Buffett said in an interview published Der Spiegel. The US is already in recession, Buffett said, adding: “Perhaps not in the sense economists define it. It will be deeper and last longer than many think.” However, he said, that won’t stop him from investing. “If the world were falling apart I’d still invest in companies,” he said.