Hungary is a quiet Jewish success story

At a U.N. event aimed at combating antisemitism last month, U.S. Ambassador to the United Nations Linda Thomas-Greenfield stated, “a Holocaust memorial was vandalized in Hungary” as she recited a list of recent antisemitic incidents. Hungarians were perplexed because no such incident occurred. It actually took place in Sweden.

The U.S. Mission to the United Nations struck the remark from the transcript on its website. As of this writing, however, the United States has not publicly acknowledged the mistake or apologized for it, despite Hungarian demands...