Donald Trump is not just a problem for the EU, but for the whole world.

Referendums have always posed a threat when it comes to EU policy, because EU policy is complicated. They're an opportunity for those from all political camps who like to oversimplify things.

It was a Russian airplane that was bombed over the Sinai Peninsula. When the Russians conduct air strikes on IS, they are doing so because they too are threatened by terror.

At the end of the day, men like Donald Trump need to be given that which they themselves dispense: clear messages. I would confront him as clearly and explicitly as possible. It is not only the right, but also the duty, of the leader of a German government to do that.

I am a man of parliament, a man of the people. I am not a representative of the executives.

The share of wealth held by the minority is much greater than the share held by the majority. We have to draw our own conclusions from that and it has to change.

Before we talk about further accessions, we have to consolidate the European Union internally. People are increasingly losing faith in the EU's effectiveness.