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The State Department announced Tuesday that it revoked the diplomatic visas of four Honduran officials because the U.S. doesn’t recognize the interim government of Roberto Micheletti. Hondurans can be forgiven if they recall the bitter Vietnam-era joke that while it can be dangerous to be America’s enemy, it can be fatal to be its friend.

The U.S. didn’t release the names of the banished, but the Honduran daily El Heraldo said they included the Supreme Court judge who signed the arrest warrant of former president Manuel Zelaya, as well as the president of the National Congress. Honduras is now in the fifth week of a constitutional crisis that was provoked when then-president Zelaya violated the Honduran constitution. He was warned by the attorney general but he...