China's Foreign Ministry responded on Monday to President Trump's assertion that Beijing has conducted clandestine nuclear weapons testing with a flat denial. "China's testing 'em too," Mr. Trump told CBS News correspondent Norah O'Donnell in an interview for 60 Minutes . "You just don't know about it." "Russia's testing, and China's testing, but they don't talk about it. You know, we're a open society. We're different. We talk about it. We have to talk about it, because otherwise you people