Via Erik, Colbert's most recent Thought for Food.
Bonus funny, from a Jon Camp post on the AAC list:
What kudzu is to the south, Vegan Outreach is to North America -- pervasive, quickly spreading, and impossible to control. But unlike kudzu, we are welcomed by residents with open arms, and not sprayed at with herbicides. Vegan Outreach: The invasive species that you'll learn to love..