Jeffrey Sachs warns Germany: Why Europe's security needs to be rethought

Jeffrey Sachs writes open letter to Chancellor Merz

In his open letter to German Chancellor Friedrich Merz, published in the Berliner Zeitung on December 17, 2025, the well-known economist and professor Jeffrey D. Sachs speaks out with a clarity that has become rare in the current European debate. Sachs speaks not as an activist, not as a partisan and not as a commentator from a distance, but as an economist and political advisor who has worked for decades at the central interfaces of international crises, security architectures and economic upheavals. The open letter contains an unusually sharp quote:

„Learn history, Mr. Chancellor.“

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Ulrike Guérot: A European between idea, university and public discourse

Ulrike Guérot and Europe

There are people whose thoughts you like to follow not because you agree with them on everything, but because they make an effort to penetrate things. For me, Ulrike Guérot is one of these voices. I have been watching her lectures for a few years now - not regularly, not ritualized, but when I come across a topic that I feel is worth listening to more closely. What strikes me is that her arguments are calm, structured and largely non-ideological.

This does not make her lectures spectacular in the media sense, but they are sustainable. You can listen to her for a long time without getting the feeling that she is trying to sell a ready-made world view. Especially at a time when political debates are often morally charged or emotionally truncated, this way of speaking seems almost old-fashioned. In the best sense of the word.

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Jan-Josef Liefers: A portrait of attitude, origins and artistic freedom

Jan-Josef Liefers

When you see Jan-Josef Liefers today as the eccentric Professor Boerne in „Tatort“, it's easy to forget how long it took to get there. I myself have always enjoyed seeing him in this role: as a mixture of subtlety, narcissism, humor and astonishing clarity. But this mixture doesn't come out of nowhere. It is the result of a life that began in a completely different Germany - in the GDR, in a country with narrow borders and clear guidelines.

To understand why Liefers takes such a consistent stance today, you have to go back to his childhood, to his parents' theater world and to a time when criticism of the system was anything but without consequences.

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Why Dieter Bohlen speaks when others remain silent: A portrait of diligence and clarity

There are personalities that you only really understand when you detach yourself from their public image. Dieter Bohlen belongs exactly in this category. Musically, I myself am not a big fan of his shallow, often very simple melodies - and yet, to be fair, it has to be said that what he created was extremely precise, target group-oriented and clearly structured for the 1980s. Bohlen was never the great artist in the romantic sense. But he was an outstanding businessman, a hard worker and someone who understood his craft in a way that few do today.

What makes him interesting for me is not so much his music - but the fact that he remained successful for decades, while whole generations of artists came and went around him. That he attended the same commercial college in Oldenburg as I did. And that today - after many years of silence - he is suddenly taking a clear stance on social issues. That is the reason why it is worth looking at Dieter Bohlen as a person beyond the usual media image: not as a pop titan, not as a TV pundit, but as a craftsman, businessman and mirror of a time that understands itself less and less.

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