The “reflection period” in which Europe is engaged is not limited to the constitutional relaunch. Last week I tried to take stock of this issue, because it is this that determines the ambitions, the objectives and the constitutional working of a united Europe, it is this that, therefore, determines its very nature. But other issues are as fundamental: first in line, the question of “Europe's borders”, which was discussed by Foreign Ministers last week in Salzburg and the European...