The Murder of a Pro-E.U. MP Is One More Sign of a Darkening Europe

The founding values of the European Union have had little place in the debate ahead of the June 23 referendum on British membership. When the E.U. rose from the ashes of World War II, the conviction was that Europe would be stronger and safer if its economies were interdependent, its borders fluid and its people part of something bigger than one nation. Such transnational values, its founders believed, would prevent a return to war and the dark days of the past.