Agreement on major principles is not enough. The unanimity which is gradually forming on the basic objectives of the European Council on 28-29 June, while crucial, is not enough. Take the best known point, the twin-track approach between, on the one hand, budgetary discipline and the elimination of excessive deficits and, on the other, economic recovery. The principle of this twin-track approach has been accepted; each of the political forces, indeed, is boasting of having come up with it....