On the evening of Jan. 17, 2015, Chanel Miller was sexually assaulted on her way home from a party on the Stanford University campus in Palo Alto, California. Miller's latest mural in San Francisco explores themes of healing for trauma survivors. And, Marion Nestle has been thinking about the intersection between food, science, public health and politics for the last 20 years. She joins us to discuss her new book, "Let's Ask Marion."