Trump will have to take up juggling if he goes ahead and scraps the agreement with Iran and at the same time, seeks to avoid alienating Russia, and quite possibly France and Germany. These European countries are already nervous about what the Trump presidency means with respect to the future of the post-World War II international order that has essentially kept the peace on the continent since 1945. This order is far from perfect, of course, and under pressure from other sources, especially due to the rise of chauvinism and European Trumpism.