The Wall Street Journal has urged US consumers not to panic over Kraft's recent large-scale recall of taco shells containing unapproved GM ingredients. After all, the article continues, when every fifty grams of cornmeal, the primary constituent of the product, already probably boasted one "whole insect," 50 insect fragments, two rodent hairs, or one "rodent excreta fragment," what's a little genetic alteration?The article refers to the standards dictated to food producers by the Food and Drug Administration body (FDA), which admits that its concern for such gruesome contaminants is "aesthetic.