A moral obligation. Cautious in the form, Pascal Lamy was very clear and explicit on the substance, hiding neither his inclinations nor choices. I refer to last Wednesday's conference on the delicate and controversial issue of "collective preferences" (the preferences of the collectivity, the choices of society made by the people) in the context of international trade rules (see our bulletin of 17 September, p.9, and this column of 8 September for the preparatory work and the preliminary...