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The crisis in Honduras just got more complicated, because Washington may have blocked the most likely road to reconciliation in that Central American nation. The US State Department announced earlier this month that a broad range of assistance for Honduras would be terminated and that additional sanctions would be imposed on members and supporters of the government.

This will add pressure for the return of the deposed president, Manuel Zelaya. He unwisely was bundled out of the country on June 28 by the Honduran military, acting under the instructions of the supreme court and legislature, for his efforts to seek an unconstitutional second term.

Since then, negotiations backed by the United States and led by Costa...