Defenders of the school bake sale, rejoice! The Massachusetts Legislature is stepping in to save your homemade lemon squares from the horrors of government overreach! So went the uproar over the state’s bake sale ban, and so goes another round in the battle over obesity: a problem, not of concept, but execution. The problem comes when officials manage to make health look like a punishment: a matter of deprivation, not opportunity. What if the war on bake sales hadn’t been an outright ban, but a stealth effort -- if the health department had quietly gathered school officials and pitched them on alternatives?