If you get an infection, you get a fever; the fever is your body dealing with the infection. If you get traumatized, your mind and your brain have a reaction to that trauma. If you're not dreaming about it, something's probably wrong.

At 19, your brain hasn't finished wiring itself. So the first time you have a good friend die, most people don't go through that at 19. Soldiers do. They're facing life in this accelerated, compressed form, and a lot of times, they're not ready for it.

I think, unfortunately, we live in a world where people attack other people and I think a legitimate rationale for war is the saving of human life, the saving of lives of people who cannot defend themselves.

I don't think people would climb mountains or jump off bridges with parachutes or kayak Class V rapids if those things didn't offer the brief and horrible illusion of imminent death. They would just be complicated, time-consuming endeavors that we'd steer well clear of because they got in the way of real life.

Right now, America doesn't ask us to do anything besides pay taxes. We don't even have to vote. But as psychologists will tell you, when you have to sacrifice for something, you value it more. What about national service for young people? Everybody between 18 and 24 could spend a year or two working for this country in some capacity. It'd be an amazing thing. And it would mix this country racially, culturally, economically.

I decided to start a medical training program for freelancers, only freelancers. They're the ones who are doing most of the combat reporting. They're taking most of the risks. They're absorbing most of the casualties. And they're the most underserved and under-resourced of everyone in the entire news business.

I had grown up during Vietnam. I had no connections to the U.S. military, and I had a pretty cynical default opinion about the U.S. military.