In 1998, the year Hugo Chavez was elected president, there were 22,000 Jews in Venezuela. Today the Jewish population is estimated at between 10,000 and 15,000. Those numbers tell a story, and it's not a happy one. The Jews of Venezuela are fleeing to Miami, Madrid and elsewhere because of the anti-Semitism they face at home. In an interview this week in Washington, D.C., the country's chief rabbi sounds a warning bell: "There's anxiety in the Jewish community because of what has happened," says Rabbi Pynchas Bremer, "and of course because of what may happen." Mr. Chavez's vitriol about Jews...