I think social media is a revolutionary phenomenon all in itself.

What is true about (ex-Iraq Survey Group head) David Kay's evidence, and this is something I have to accept, and is one of the reasons why I think we now need a new inquiry - it is true David Kay is saying we have not found large stockpiles of actual weapons.

We are all internationalists now, whether we like it or not...

At the heart of my politics has always been the value of community, the belief that we are not merely individuals struggling in isolation from each other, but members of a community who depend on each other, who benefit from each other's help, who owe obligations to each other. From that everything stems: solidarity, social justice, equality, freedom.

I have long believed this interdependence defines the new world we live in.

I haven't come to the conclusion that centrist politics is wrong or dead. On the contrary. I think it's very much alive - but it needs to be given a renewal, a revival, and a muscularity which it presently lacks.

Immigration was probably the driving thing behind Brexit.