Germany is currently serving as a non-permanent member of the United Nations Security Council. From the beginning of April, it officially takes over the chair — as part of a “dual presidency” with France. […] This closer UN cooperation was agreed by Berlin and Paris as part of the Treaty of Aachen. […] From the beginning, Germany has placed an emphasis on promoting the idea of the UN; i.e., international cooperation and collaboration. Germany and France have adopted their multilateral approach in opposition to the growing nationalism of people like Donald Trump. The “dual presidency” already symbolizes this idea, but...