Safran Foer : Food industry influences what schools do , what schoolchildren eat . USDA charged with developing nutritional guidelines and promoting industry . Singer : Food industry , like all industry , says anything to its products . Consider , for example , the National Dairy Council , a marketing arm of Dairy Management Inc. , an industry body whose sole purpose , according to its Web site , is to `` drive increased sales of and demand for U.S. dairy products . '' Nation 's premier group of food experts supports vegetarianism , he says .
Safran Foer : Food industry influences what schools do , what schoolchildren eat . USDA charged with developing nutritional guidelines and promoting industry . Singer : Food industry , like all industry , says anything to its products . Nation 's premier group of food experts supports vegetarianism , he says .