Recent presidents have gone off on ad hoc adventures. They have set unattainable goal because they have framed the issue incorrectly, as they believed their own rhetoric.

What is revolutionary today is that we're using precision-guided munitions. And instead of building individual weapons, we are building an industry and a philosophy, the culture of precision. You saw Desert Storm. Precision works.

But every time new powers emerge they have to find their balance. New powers are emerging, old powers are declining. It's not that process that's dangerous, it's the emerging position that's dangerous.

I think there are worse things than war. For example, injustice.

The most horrible sort of war is civil war.

In a way, we can have a much easier discussion about the future of technology than we can about why a young man kills another man in a war.

When you're young and going to war, it's a genuinely exciting moment. You are going to risk yourself. On the battlefield, you are suddenly free. You realize: I'm here, I'm in it. Exaltation. Suddenly you're hit by another extraordinary feeling: my God, I can be killed. And: will I embarrass myself? It's like you're in a kaleidoscope and all of these extraordinary feelings are zipping by.