The Odyssey' is the great tale, and I was really taken by 'The Iliad,' so I dig into those things, and when I was a kid I didn't. You've gotta have a certain level of understanding yourself before that stuff really starts to resonate.

I knew many Marines had done brave deeds that no one saw and for which they got no medals at all. I was having a very hard time carrying those medals and didn't have the insight or maturity to know what to do with my combination of guilt and pride.

I mean, if you're proud of what you've done when you've served in the military, well then we call that bragging. And if you are unhappy about what happened, we call that complaining. And so what are you going to do?

When I first got back from the war, I said, 'I'm gonna write the Great American Novel about the Vietnam War.' So I sat down and wrote 1,700 pages of sheer psychotherapy drivel. It was first person, and there would be pages about wet socks and cold feet.

Enacting elements of the Affordable Care Act isn't backtracking on core principles, but rather understanding that new ways to help make health care affordable builds stronger businesses and saves struggling hospitals. And that is a very attractive offer.

People are tough. We're evolved for less food; more exercise; less sleep; less security; more paranoia. The irony is that we're so good at what we do. We strive for more food; less exercise; more sleep; more security; less paranoia - and we've succeeded.

The biggest public health challenge is rebuilding health systems. In other words, if you look at cholera or maternal mortality or tuberculosis in Haiti, they're major problems in Haiti, but the biggest problem is rebuilding systems.

A veteran deserves the very best health care anywhere. That means sometimes, they should go out into the private sector if something's being done better than the VA.