Currently, there are laws mandating that products marketed as "chocolate," must contain a certain percentage of cocoa butter by weight. However, the FDA is reviewing a "citizens petition" to allow chocolate manufacturers to substitute vegetable fats or oils for the cocoa butter. Who are these citizens? The LA Times reports that they belong to the Chocolate Manufacturers Assn., the Grocery Manufacturers Assn., the Snack Food Assn. and the National Cattlemen's Beef Assn.