While Soros, whose new book, Financial Turmoil in Europe and the United States, will be published in early February, is currently focused on Europe, he’s quick to claim that economic and social divisions in the U.S. will deepen, too. He sympathizes with the Occupy movement, which articulates a widespread disillusionment with capitalism that he shares. People “have reason to be frustrated and angry” at the cost of rescuing the banking system, a cost largely borne by taxpayers rather than shareholders or bondholders. Occupy Wall Street “is an inchoate, leaderless manifestation of protest,” but it will grow. It has “put on...