28. August 2025

Commentary by Dr. Hans-Dieter Heumann, Ambassador ret., on the transatlantic partnership published on dokdoc.eu Commentary by Dr. Hans-Dieter Heumann, Ambassador ret., on the transatlantic partnership published on dokdoc.eu

Dr. Hans-Dieter Heumann, Senior Fellow at CASSIS and Ambassador ret., wrote a commentary on the transatlantic partnership published on August 26th on the German-French news site dokdoc.eu. The commentary is titled “Is the transatlantic partnership dead?”.

European heads of state and government and Ukrainian President Zelensky in the Oval Office of the White House, August 18th, 2025.
European heads of state and government and Ukrainian President Zelensky in the Oval Office of the White House, August 18th, 2025. © White House/Daniel Torok/Flickr
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In his commentary, Dr. Heumann assessed the latest paper by French political scientist Sylvain Kahn, “Is Atlanticism dead? Long live Europe!” (orig.: L'atlantisme est mort ? Vive l'Europe !). In Dr. Heumann's view, the paper is a “concise analysis” of current transatlantic relations in the Trump era and can be understood as a “passionate call” to Europeans to “emancipate” themselves from the United States. 

Dr. Heumann divided his commentary into four sections. First, he examined the effect of Trump's presidency on European trade and security policy, for instance through Trump's tariff policy and his neglect of the US's mutual defense commitment to its European partners within NATO. In the next section, Dr. Heumann commented on the way Sylvain Kahn presents the strategic reorientation of the US under Trump. The former ambassador then addressed the threat to the US separation of powers posed by Trump's domestic policy decisions. At the end of his commentary, Dr. Heumann summarized the history of European integration and analyzed possible security policy solutions for Europe to reduce its military dependence on the US and ultimately become strategically autonomous.

Dr. Hans-Dieter Heumann, Ambassador ret., is Senior Fellow at CASSIS and lecturer at the Institute of History at the University of Bonn. Until 2015, he was president of the Federal Academy for Security Policy in Berlin, prior to which he was German ambassador to the Council of Europe.

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