Jump over to Ethicurean: Chew the Right Thing and read about Michael Pollan's article in the New York Times.
First, your administration’s food policy must strive to provide a healthful diet for all our people; this means focusing on the quality and diversity (and not merely the quantity) of the calories that American agriculture produces and American eaters consume. Second, your policies should aim to improve the resilience, safety and security of our food supply. Among other things, this means promoting regional food economies both in America and around the world. And lastly, your policies need to reconceive agriculture as part of the solution to environmental problems like climate change.
It helps me think of the current pResidential campaign's relevance to real life.
Update: Another NYT article, this time about a Vermont town who is building an economy around local food. They are systematically doing it! They aren't waiting for the pResident, congresscritters . . . they are doing it.