Tiger Management Chairman Julian Robertson says that if China and Japan stop buying our debt, inflation could hit 20 percent. "It's almost Armageddon if the Japanese and Chinese don't buy,” Robertson told CNBC. "I don't know where we could get the money. I think we've let ourselves get in a terrible situation." Robertson’s 2008 picks, which included Visa, Baidu, Apple, and Google, handily beat the market. His worst performing choices went up 40 percent, the best more than doubled. Robertson says his firm still owns many of last year’s picks, but says he’s “not as berserk over owning stocks as...