Well, we definitely need a strong and clear and assertive America. That's for sure. But you've always got to build alliances. And so it's very important that we are able to build those alliances. And where we don't do what in a way to extremists want us to do, which is to make this into a battle between the West and Islam - it's not. This isn't a clash between civilizations. It's about whether the values of tolerance and respect for difference prevail.

I haven't got the time to sit here arguing with someone whose idea of a coherent foreign policy is what comes up in Google when you type in peace!

The great advantage of the Lib Dems is precisely that no-one knows what they stand for.

There is no meeting of minds, no point of understanding with such terror. Just a choice: Defeat it or be defeated by it. And defeat it we must.

You choose your own reality and you - social media then amplifies those conspiracy theories. So that's why I say social media is itself a revolutionary phenomenon.

People know where I stand in the Labour party and what I believe in.

There are unquestionably links between al-Qaida and Iraq.