The claim that democracy and efficiency are contradictory is nonsense. That's evident in the history of democracy itself, because it is only democrats who were and continue to be capable of learning from mistakes. A more appropriate question is to ask whether a country like China, which has been so incredibly successful economically, is actually inefficient in light of its environmental destruction and its corruption. In China's perception, however, the democratic model is doubtlessly inferior.

I hope that a German foreign policy in 2028 will be part of a European foreign policy, because even the strong country of Germany won't really have a voice in the world if it is not part of a European voice.

It is clear that Germany needs a foreign policy in which we jointly define European interests. Thus far, we have often defined European values, but we have been much too weak in defining mutual interests. To preempt any possible misunderstandings: We cannot give short shrift to our values of freedom, democracy and human rights.

Real life is happening outside and not in front of a computer.

We will fight against any pro-nuclear power plan. And we will remind people that a change in the German nuclear consensus would stifle the development of sustainable energy and it would cost jobs. The SPD is the strongest among the opposition parties and we must take on this role with vigour.

We need a greening of globalisation.

However, I have a low opinion of people with narrow political horizons. Someone who talks about the environment and knows nothing about economics can make as many mistakes as someone who does the opposite.