There's a real strong link today between soda consumption and obesity among children.

The Golden Arches are now more widely recognized than the Christian cross.

Today the U.S. government can demand the nation-wide recall of defective softball bats, sneakers, stuffed animals, and foam-rubber toy cows. But it cannot order a meatpacking company to remove contaminated, potentially lethal ground beef from fast food kitchens and supermarket shelves.

Congress should ban advertising that preys upon children, it should stop subsidizing dead-end jobs, it should pass tougher food safety laws, it should protect American workers from serious harm, it should fight against dangerous concentrations of economic power.

Fast food is popular because it's convenient, it's cheap, and it tastes good. But the real cost of eating fast food never appears on the menu.

I find that one of the most important things, as a writer, is to just show up - to just stay in the chair and fight through the difficult patches. As long as you're at the desk, and you're willing to fight it out, eventually the right words will come.

Basically, I'm a perpetual student. I start by finding a subject I really don't know very much, but that I'm curious about. I learn about it through books in a library, by doing interviews with people who know a lot about the subject, and by going out on my own and seeing for myself what's happening.