Yes, there is a crisis of hunger on the planet, but hunger is not caused by a scarcity of food but a scarcity of democracy.

Courage is saying maybe what I'm doing isn't working, maybe I should try something else.

Every time you spend money, you're casting a vote for the kind of world you want.

Just in the past couple of years, there's been pushback against some of that marketing, as parents have gotten really upset. Now we're seeing Coke and Pepsi kind of shape-shifting. Instead of doing these very explicit marketing deals, they are getting into schools in much more hidden ways - things like My Coke Rewards, where they encourage schools to push their student body to purchase Coke products, in exchange for points that go toward various products for the school. It's a way for these companies to get in front of kids, presented as a form of charity.

You could increase farmworker wages significantly and not change the price to the consumer at all - for instance, if you redistribute how revenue is paid out across the food chain. Labor costs, particularly farm labor, is a tiny portion of the price we pay at the supermarket.

Yes, there is a crisis of hunger on the planet, but hunger is not caused by a scarcity of food but a scarcity of democracy.

Those of us who think about what we eat, how it's grown, those of us who care about the environmental impact of food - we've been educated by fabulous books, like Fast Food Nation and documentaries like Food Inc. But despite these and other great projects that shine a critical light on the topic, every year the food industry spends literally tens of millions of dollars to shape the public conversation about our food system.