“But Europeans are divided by language, culture, even food. They tend to be reluctant to move even within nations: Francophone and German-speaking Switzerland are segmented labor markets. So how can the euro work?”

Will the Polish plumber save the euro? – Paul Krugman – Op-Ed Columnist – New York Times Blog

He needs to get out more! In my office half the people I work with are migrants of one sort or another; the Euro where people didn’t move because of the food died about 20 years ago.