When you go to the grocery store, you find that the cheapest calories are the ones that are going to make you the fattest - the added sugars and fats in processed foods.

I try very hard to tell stories and not lecture. I try to approach things as an amateur and not an expert, so that when I'm doing something, I'm starting out in a place a lot like where my readers start out - which is to say, naïve.

We're always projecting our moral categories on things. I think that's inevitable. But capitalism places no particular value on morality. Morality in the market is enforced by contract and regulation and law, because morality is understood to be in conflict with the motive force of greed and accumulation.

The problem is that we let special-occasion food become everyday food. That goes for soda and french fries.

A tension has always existed between the capitalist imperative to maximize efficiency at any cost and the moral imperatives of culture, which historically have served as a counterweight to the moral blindness of the market. This is another example of the cultural contradictions of capitalism - the tendency over time for the economic impulse to erode the moral underpinnings of society. Mercy toward the animals in our care is one such casualty.

Without such a thing as fast food, there would be no need for slow food.

Corporations cook very differently from how people do.