Ironically, when the Sandinista revolution’s leaders were voted out of power in 1990 (allowing my mother, Violeta Chamorro, to become Nicaragua’s president for seven years), it was Mr. Ortega himself who contributed to the establishment of an electoral democracy by conceding defeat, thereby setting the country on course to transfer power peacefully among political parties. However, Mr. Ortega and the next president, Arnoldo Alemán, who later was accused of corruption, arrived at a political compact in 1999 that weakened the trend toward pluralistic democracy by setting up bipartisan control of the electoral system. In 2007, that, too, collapsed when Mr. Ortega, now back in office, took sole control.