The things journalists should pay attention to are the issues the political leadership agrees on, rather than to their supposed antagonisms.

...A one-pound box of prewashed lettuce contains 80 calories of food energy. According to Cornell ecologist David Pimentel, growing, chilling, washing, packaging, and transporting that box of organic salad to a plate on the East Coast takes more than 4,600 calories of fossil fuel energy, or 57 calories of fossil fuel for every calorie of food.

Cooking for yourself is the only sure way to take back control of your diet from the food scientists and food processors, and to guarantee you're eating real food rather than edible foodlike substances, with their unhealthy oils, high-fructose corn syrup, and surfeit of salt.

One surprise is how deeply the food system is implicated in climate change. I don't think that has really been on people's radar until very recently. 25 to 33 percent of climate change gases can be traced to the food system. I was also surprised that those diseases that we take for granted as what will kill us - heart disease, cancer, diabetes - were virtually unknown 150 years ago, before we began eating this way.

Do all your eating at a table.

I still think we have a long way to go on rebuilding a culture of cooking. Everyday simple cooking.

There are certain products that it's worth buying organic just because the alternatives have so much pesticide. There's a list of the dirty dozen that you can get off the Web. Strawberries, potatoes. A handful of crops that have very high pesticide residues if you don't buy organic. If you eat that a lot, that's a good place to invest.