CAIRO (Reuters) - The United States expressed alarm that its protégés in the Egyptian army were abusing hopes for democracy by ordering more military rule just as the Muslim Brotherhood was claiming victory in the country's first free presidential election. The Islamists' self-assurance was contested by the other candidate in the run-off race, a former general who was prime minister when Hosni Mubarak was ousted last year by an army anxious to save itself from the revolution in the streets. ...