The Hemisphere: Trying to Topple Trujillo

Having at long last decided to regard Dominican Dictator Rafael Trujillo as an unworthy ally, the U.S. last week set about doing everything it could to bring him down. The U.S. hopes to convince Latin American neighbors that it disapproves as much of dictatorships of the right as dictators of the left—a first step in winning support against Castro.

Four days after 21 Latin American nations, gathered in Costa Rica, voted to break diplomatic relations with Trujillo and impose economic sanctions against the Dominican dictatorship, the U.S. moved to comply. The OAS agreed on an embargo on arms sales to Trujillo; the...