|Don't choose this plate|
But don't take my word for it:
Denise Minger: "The New USDA Dietary Guidelines: Total Hogwash, and Here’s Why"
Stephan Guyenet: "Assorted Thoughts About the 2010 [USDA] Dietary Guidelines"
Richard Feinman: "Fad Diets"
And I'll note that quadrant titled "grains" ought to read "starches". But the USDA doesn't subsidize the growing of starchy plants like potatos, and is trying to get rid of them. Yes, it's Orwellian.