Much of the Brexit debate has focused on a perceived trade-off between controls on migration and membership in the European Union’s single market. If only the EU would abandon its dogmatic insistence on the free movement of people, the argument runs, then the obstacles to the U.K. staying in the single market would fall away. This assumption is by no means limited to Britain. There is a lively debate in Germany over whether the EU should back down on free movement to prevent any emerging barriers to lucrative cross-border trade...

Source: Wall Street Journal September 21, 2016 20:58 UTC