An instructive morning. This commentary comes half-way between a cry of alarm and a warning: beware, the debate over the EU's "governance" and on the application of the principle of subsidiarity is riddled with dangers. It is not simply a theoretical and doctrinaire debate between specialists ranging from a Pope's encyclical of over a century ago to its applications to the European Union. The reality is different. There are political circles for which governance has as veritable...