Disruptions to the international system do not date back to Donald Trump’s coming into power. They correspond to profound changes in the post-Cold War world. Although the American president is highlighting unrest in the world, he is not instigating it or providing more solutions due to a lack of a clear strategy.

Pierre Vimont has been France's ambassador to the United States and executive secretary-general of the European External Action Service.

Article published in Politique étrangère, Vol. 82, No. 4, Winter 2017-2018.