Natan Sharansky is among the world's most consistent advocates of democratization as a basis for foreign policy. Born in Ukraine in 1948, he received a degree in mathematics from Moscow's Physical Technical Institute. A brilliant mathematician and chess master, he entered the limelight as a spokesman for the movement to emancipate Soviet Jewry. Arrested by the Soviet authorities in 1977 for his refusenik activities, he was sentenced to thirteen years imprisonment. President Ronald Reagan interceded and, in 1986, won Sharansky's release as part of an East-West prisoner exchange. In his 1988 autobiography Fear No Evil,[1] he discussed both his emotional...