At the beginning of his administration, Obama homed right in on Medicare, which he wanted to fix by reducing the overall cost of health care in this country. He risked everything - some would claim he lost everything - by being so single-minded.

As long as we decline to allow sick uninsured people to just lie down and die on the side of the road, everybody has to have insurance for the health care system to work sanely.

Women are needed in the military because there aren't enough soldiers, and we're seeing more women serve.

The middle of 'America's Women' is about the Civil War, and how women, black and white, confronted slavery and abolition. As in every other period of crisis, the rules of sexual decorum were suspended due to emergency.

For the undocumented immigrants, the big priority is just to get out from the shadows, be able to get a driver's license, buy an airplane ticket and stop worrying about sudden deportation. But for the country as a whole, it's crucial that everybody have a citizen's stake in the nation's welfare.

You know, I have a lot of books on my iPad, but when I try to read them, I find myself wandering off to play games. Those are books I'm interested in. I can't imagine what would have happened to me in college if my biology class had been on the same computer as "Words With Friends" and "Doom."

The high point was that the people are really nice - despite the crazy politics - and I loved being there. The hardest part was knowing some of the things I was probably going to write about Texas would make those nice people very unhappy.