The hope that Turkey might provide a model for modernizing Muslim countries -- combining Islam, democracy and market economics -- is being tested. A bitter quarrel between Prime Minister Recep Tayyip Erdogan and his former allies continues to escalate. Financial markets are running scared, punishing the country’s stocks and currency. The fight doesn’t just threaten Erdogan’s government; it also calls into question vital Turkish institutions, including the rule of law.
The details of the killing in Woolwich, South London, are still emerging, but this appears to have been a highly personal, do-it-yourself-style assault that poses a special challenge to diverse societies such as the U.K.