The musical "Evita" came to life onstage almost four decades ago, telling the story of the little-known wife of an Argentine dictator. Today everybody knows who Evita is and many people can sing "Don't Cry for Me, Argentina." The new novel "The Earth Endures" portrays the terror and agony of Argentina's revolution. It covers the period before and after Juan Peron's removal from office. Argentina in the mid-1950s is in chaos. The army, the church,...