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.

Political scientist Herfried Münkler is right: If you only take normative positions, if your focus is solely on values, you won't find success in a world where others are relentlessly pursuing their interests. In a world full of meat-eaters, vegetarians have a tough time.

Iran is the only country in the world that's threatening to erase another country from the map as part of a collective genocide.

The shadow of an exit of Greece from the euro zone takes on ever clearer shape, repeated apparently final attempts to reach a deal are starting to make the whole process look ridiculous. There is an ever greater number of people who feel as if the Greek government is giving them the run-around.

Madame Merkel knows very well that her conservative Christian Democratic Union or CDU, and the CSU, the Bavarian sister party to the CDU, with which it shares power nationally, must change their European policies. The FDP's nationalist-liberal position on Europe is presumably one of the reasons the attempt failed to form a Jamaica coalition government which would have seen the CDU, FDP and Green Party govern together.

Finding the right form of debate regarding Israeli policies will remain a challenge in Germany. Even with every conceivable and warranted criticism, the danger always arises that it will be exploited by those who consciously or unconsciously present anti-Semitism in a new guise.

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.