I'm a big advocate of drones.

I think Donald Trump has gotten China's attention to a degree that his predecessors have not that this is a very serious matter for the United States.

There will be boots on the ground if there's to be any hope of success in the strategy.

I will always be an advocate in terms of wars of necessity. I am just much more cautious on wars of choice.

Often, loyalty means telling people things they don't want to hear. It's not being sycophantic, it's not telling them how wonderful they are every day. It's being willing to tell them the days they're not wonderful.

Most governments lie to each other. That's the way business gets done.

Well, I've ruffled a few feathers at all the institutions I've led. But I think that's part of leadership.