Grist links to a piece on urban gardening and the class divide that still plagues the sustainable food movement. The article covers why the folks who run the Food Project decided to keep selling in their own neighborhood and not at the fancy downtown market where they could make more money, and perhaps assure the sustainability of their own organization. Steve Sando tours industrial bean fields and comes to understand why people are so astonished at how great his beans taste (really folks — his beans are delicious). I ordered several packages of beans from Steve last spring when we…