FILE PHOTO: Berkshire Hathaway Inc Vice Chairman Charles Munger speaks at the Daily Journal annual meeting in Los Angeles, U.S., February 15, 2017. REUTERS/Lucy Nicholso Reuters By Jonathan Stempel (Reuters) - Charlie Munger, the longtime business partner of Warren Buffett, on Wednesday said it is "massively stupid" for tensions to escalate between the United States and China, and separately said cryptocurrency should have been banned, calling it "beneath contempt." Munger, 98, spoke while fielding nearly two hours of questions at the annual meeting of Daily Journal Corp, the Los Angeles newspaper publisher and provider of software to courthouses that he...