On the northern shore of the Dominican Republic lies the beachfront town of Sosúa, known for over 70 years as "Tropical Zion.” It is a typically Caribbean town, with an atypical history that includes a chapter as a haven for Jewish refugees. Hot and humid all year round, with daily downpours, Sosúa boasts a pretty beach, lined with coconut palms, colorful ramshackle houses and colorful...