Sybrina Fulton and Tracy Martin, the parents of Trayvon Martin, join us to discuss their book, Rest in Power: The Enduring Life of Trayvon Martin. Asi Burak joins us to discuss his book, Power Play: How Video Games Can Save the World. Burak, who co-founded and led Impact Games, looks at how video games can benefit our bodies and our brains, and also generate positive social change around the world. Investigative journalist Sharon Lerner discusses her investigation into a Dow pesticide, chlorpyrifos, which is linked with dire problems for children: developmental disorders, intelligence deficits, and autism.