Pursuing a changed relationship with the United States, Mikhail Gorbachev eventually made the major concession of allowing inspectors into Soviet nuclear facilities. Iran, Michael Mandelbaum writes, is quite a different case:

Sunday marked the 27th anniversary of Hizballah’s bloody bombing of a Jewish community center in Buenos Aires, which demonstrated to the world the long reach of the Lebanon-based terrorist group. But its presence in Latin America goes far beyond plotting attacks: located on the continent is the heart of its global criminal empire, which Hizballah uses to supplement the income it receives from its masters in Tehran. Emanuele Ottolenghi, drawing on detailed and extensive research, explains the inner workings of the group’s illicit operations, and its recent attempt to relocate networks disrupted by the U.S. and Europe to the tri-border area (TBA), where Paraguay, Argentina, and Brazil meet.