Someone had to say it -- and German Chancellor Angela Merkel deserves credit for being the one with the courage to say it out loud: Multiculturalism has "utterly failed." Multiculturalism is not just a recognition that different groups have different cultures. We all knew that, long before multiculturalism became a cult that has spawned mindless rhapsodies about "diversity." In Germany, as in other countries in Europe, welcoming millions of foreign workers who insist on remaining foreign has created problems so obvious that only the intelligentsia could fail to see them. "We kidded ourselves for a while," Merkel said in a...