It's not possible to put into words the sense of loss and grief that comes to a family that loses one of their children.

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.

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.

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

None of us wants any more war.

What we do have to do, is listen to what Donald Trump's been saying about our military. He's called it a disaster. He says our military can't win anymore. That's a direct insult to every single man and woman who's wearing the uniform today.

The Russians haven't helped us at all in the fight against ISIS. When you total up the numbers of sorties that have been going into Syria, aircraft attacks, if you will, going into Syria, when the Russians said they were going to assist, we got a very small number of Russian sorties.