There’s a vigorous and healthy debate going on in the blogosphere about school lunch. Congress is gearing up to revise the Child Nutrition and WIC act, which includes the school lunch program, and the forces of Hope and Change have ideas. (Click through to the actual essays linked, my summaries necessarily oversimplify.) Alice Waters started the debate on the NY Times Op-Ed page, advocating that we double the lunch subsidy from $2.17 to $5.00. She also, no surprise, wants a program that works with farmers to get organic local produce into schools, and advocates rebuilding school kitchens. This suggestion, particularly…