You don't have to keep looking at the future foreign policy in terms, simply, of the past.

Can we be sure that terrorism and WMD will join together? If we are wrong, we will have destroyed a threat that, at its least is responsible for inhuman carnage and suffering. That is something I am confident history will forgive. But if our critics are wrong and we do not act, then we will have hesitated in face of this menace, when we should have given leadership. That is something history will not forgive.

Look, I am very competitive.

I think people think their incomes have been flat lining for a long period of time. They feel that the next generation's opportunities are not going to be improvement. So and I also think that social media then allows insurgent movements to gain scale at speed.

I think what happened with 9/11 is that people sort of felt that it came from nowhere. Whereas I think now we understand the roots are very deep. I say it's like revolutionary Communism, something that is going to have to be knocked out over a very long period of time. This strain of extremism continues to be very strong, whether it's in Afghanistan, or Somalia or Yemen, or any of these places.

I am not sure that we would always want 16-year-olds to do all the things they can do. I am afraid that I do not agree with the hon. Gentleman on the voting age. I think that it should remain as it is.

There are unquestionably links between al-Qaida and Iraq.