WORLD: Mr. Sauer, during our last conversation at the end of September, after the successful Ukrainian counter-offensive, you said that the risk of a nuclear escalation by Russia had increased, but that it was “definitely not massive”. Where are we now?

Frank Sauer: In fact, nothing has changed in terms of risk. The rhetoric has weakened after the G-20 summit in Bali and after the United States, but also China and India began lobbying the Kremlin. But: Nothing has changed in the basic configuration. Putin’s goals are the same. He still wants to defeat Ukraine somehow. The nuclear threat is still there. And we will probably have to deal with this topic more intensively if …