I definitely think the price of food is going up. We need to figure out ways to manage that in a sustainable way. We have to figure out ways of increasing wages so people can afford it. That means redistribution, and rich people don't like to hear that. This administration simply won't hear of it. But without it, I fear even more Americans will be going hungry in the future.

I do think we have a food problem. In 2006, which is the year for which we have the latest data, 35.5 million Americans were food insecure. That means there are 35.5 million Americans who are so hard up at some point during the year that they didn't know where their next meal was coming from. That's a lot of Americans. They don't get reported very much because there's nothing spectacular about people skipping a meal because they're poor. The media tends to ignore that, just as it ignores the sort of chronic food shortages elsewhere in the world.

There are two novels that can transform a bookish 14-year-old's life: The Lord of the Rings and Atlas Shrugged. One is a childish daydream that can lead to an emotionally stunted, socially crippled adulthood ...in which large chunks of the day are spent inventing ways to make real life more like a fantasy novel. The other is a book about orcs.

The opposite of consumption is not thrift - it is generosity.

One of the most abused country on earth is Mexico. The marketing spills over the border, and people are persuaded to eat food that's bad for them, more in rich countries than in poor ones. I was traveling the world. What really struck me was the way we engage with food - how it's a global phenomenon - the world becoming more and more disconnected from it.

By the end of the 1960s, the United States owned more than half of the Indian rupee money supply, and that had been acquired through food aid. So I think it's very interesting to see the very long history of how sovereignty and food go together. When some countries remove another country's ability to feed itself, it is a very powerful tool. Imperialist countries, like the United Kingdom, like the United States, have used it for centuries.

We kind of know that food is necessary to survive. But our ways of connecting with food have been, in many ways, taken over by capitalism - certainly taken over by the influence large corporations have on the way that we eat and the way that we think about food. That's why kids these days are more prepared to take nutritional advice from Ronald McDonald than they are from their parents or their teachers or from scientists. And particularly in urban areas, you'll see kids who honestly believe tomatoes come from the supermarket rather than from a plant.