In an unstable world, we could hope that Europe would be able to constitute a pocket of stability and even to contribute to cool tensions. American diplomacy is disturbing with the threats uttered to North Korea and the breaking off with Iran. The denunciation of multilateral trade agreements and the projects about the taxation of imports coming from neighbors, Mexico and Canada, from European Union and China are creating an unprecedented situation and a danger for world trade and growth. The denunciation of the nuclear agreement with Iran and the threats which are going along, the war in the Middle ...