Last June, the billionaire investor George Soros announced that he was cutting back the work his foundation, the Open Society Institute, did in Russia so that he could focus his attention on the United States. The change was needed, Soros told reporters in Moscow, because the political scene in America had become "quite dangerous." In the Bush administration, Soros explained, "the executive branch has come under the influence of a group of ideologues who have forgotten the first principle of an open society: that they don't have a monopoly on truth." Soros, a naturalized U.S. citizen born in Hungary, said...