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.

What we need to do is ensure that we don't create an environment that puts us on a track conceivably where the United States military finds itself in a civil military crisis with a commander in chief who would have us do illegal things.

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.

Planning is really the hallmark of any large military formation, and it's typically a weakness in new formations and new armies.

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.