Europeans Watch Rioting With Trepidation

This pretty much says it all:

Abdelkarim Carrasco, a leader of Spain's estimated 1 million-member Muslim community, said the French experience poses a key test for Europe.

"Either Europe develops and supports the idea of a mixed culture, or Europe has no future," he said. "Europe has to learn from what the United States has done. It is a country that has taken in people from all over the world."