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.

I seek as much as I can to mitigate risk.

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.

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.

Protecting Afghan civilians is the cornerstone of our mission.

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.

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