Read Farmer in Chief:
http://www.nytimes.com/2008/10/12/magazine/12policy-t.htm?_r=2&pagewanted=all
Video and transcripts:
http://www.pbs.org/moyers/journal/11282008/watch.html
http://www.pbs.org/moyers/journal/11282008/watch2.html
More of Pollan putting it all together. It's mainly old material but still worth reviewing in light of all of the problems we are now facing.
I'll quote one little piece:
"This state of affairs appears all the more absurd when you recall that every calorie we eat is ultimately the product of photosynthesis — a process based on making food energy from sunshine. There is hope and possibility in that simple fact."
Oh, yes - much more on that later.