Of all the myriad Washington bureaucrats, diplomats, congressional staffers, and politicians who spend their time thinking about U.S.-China policy, probably no one has actually triggered the Chinese more than Libby Liu. For 14 years, Liu was the president of Radio Free Asia, an independent but congressionally funded broadcaster that transmits news and information in Mandarin, Cantonese, Uighur, Tibetan, and nearly a dozen other languages.