Earlier in the day, he'd put on a smile while addressing reporters with Angela Merkel.
A long-term network for peace: 70 religious representatives from Asia met at the second conference "Peace Responsibility of Religions" at the German Foreign Office.
What North Korea really wants and how Germany might contribute to positive change. The Korea expert Bernhard Seliger explains.
How “candy bombers” defended the freedom of West Berlin and laid the foundation for transatlantic friendship.
How can religions promote peace – and what role do women play in this? This is the subject of the Conference on the Responsibility of Religions for Peace.
Having your say and shaping the world! How the student Lukas Schlapp wants to use the opportunity of a speech before the United Nations.
Hope returns with the peacekeepers: how the German lawyer Cornelia Schneider helps people in crisis areas to find justice.
Surprising parallels: political scientist Herfried Münkler compares the Thirty Years’ War of 400 years ago with the current conflicts in the Middle East.
Hans-Georg Maaßen has suggested that Germany should be ready with its own pre-emptive measures.
With what goals is Germany standing for the UN Security Council? Interview with UN Ambassador Christoph Heusgen.
The historical connections between the two countries make Germany an especially strong supporter of the nuclear deal.