Author of “Defending Beef: The Case for Sustainable Meat Production,” Nicolette Hahn Niman served as senior attorney for Waterkeeper Alliance, running their campaign to reform the concentrated production of livestock and poultry. In recent years, she has gained a national reputation as an advocate for sustainable food production and improved farm-animal welfare. Nicolette also is a vegetarian who raises cattle. She will participate in a discussion and Q&A after Sacred Cow.