Border sign posts in Strasbourg, France. With the EU's eastward expansion, its external borders have become more porous Germany and France's joint proposal to allow Schengen-zone countries to temporarily reintroduce border controls as a means of last resort might sound harmless. But doing so would damage one of the strongest symbols of European unity and perhaps even contribute to the EU's demise. Germany and France are serious this time. During next week's meeting of European Union interior ministers, the two countries plan to start a discussion about reintroducing national border controls within the Schengen zone. According to the German daily...
