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.

We dont want the Taliban to put down roots, or the al Qaeda to put down roots in Afghanistan that can facilitate Afghanistan becoming - once again - a launching pad for international terrorism.

You know, great powers don't get angry, great powers don't make decisions hastily in a crisis.

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.

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.

Afghanistan is going to be here a long time, and what's critical is that Afghanistan's relationship with its neighbors are, to the maximum extent they can be, constructive and operationally useful.

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.