Harvard Professor Tommie Shelby looks at why American ghettos persist in his book, Dark Ghettos: Injustice, Dissent, and Reform. Kenny Anderson and director Jill Campbell discuss their documentary, “Mr. Chibbs,” about his life after retiring from basketball. Carole Tomko and Emre Izat on their film, "Naledi: A Baby Elephant's Tale,” which tells the true story of a baby elephant born into a rescue camp in Botswana. From the Rickenbacker frying pan to the Fender Telecaster, we dive into electric guitars on this week's Please Explain!