Host Jenna Liut kicks off the fall season with the one and only Marion Nestle to talk about her new book, "Let's Ask Marion: What You Need to Know about the Politics of Food, Nutrition, and Health" published by the University of California Press. The book features a series of short essays that explore how food intersects with politics, culture, identity, social class, inequity, and power. It's 4" x 4" and jam packed with everything you need to know about food politics today.