"hout the United States, and from the USDA National School Lunch Program, using traditional and social media networks and news sources as a means to an end.???More than 250,000 people signed Siegel???s petition, prompting USDA to give school districts the choice of whether or not to include LFTB-supplemented beef in their menus.Several leading retailers including Safeway, Supervalu, Kroger and Food" . . . .