Donald Trump has no credibility to criticize me or my record or anything that I have done. If he had spent a minute in the deserts of Afghanistan or in the deserts of Iraq, I might listen to what he has to say.

When we talk about carpet bombing ISIL, that's what it looks like, creating huge numbers of civilian casualties, which increases the numbers of refugees flowing out of the region, which increases the misery of the Syrian people.

And across Afghanistan, every single day, Afghan soldiers, Afghan police and ISAF troops are serving shoulder-to-shoulder in some very difficult situations. And our engagement with them, our shoulder-to-shoulder relationship with them, our conduct of operations with them every single day defines the real relationship.

The thing that I'm always left with is this overwhelming desire for people to be rooted and the only way that they feel rooted is through another person.

There is a direct line relationship between what happened in Afghanistan in the work up to 11 September 2001 and what we're doing in Afghanistan today.

The best thing I ever did was give my family everything I could.

One would think that if you're anonymous, you'd do anything you want, but groups have their own sense of community and what we can do.