Salonica, City of GhostsBy: Mark Mazower Salonica, located in northern Greece, was long a fascinating crossroads metropolis of different religions and ethnicities, where Egyptian merchants, Spanish Jews, Orthodox Greeks, Sufi dervishes, and Albanian brigands all rubbed shoulders. Tensions sometimes flared, but tolerance largely prevailed until the twentieth century when the Greek army marched in, Muslims were forced out, and the Nazis deported and killed the Jews. As the