Julie Heldman is a former world top 10 tennis player, who at one point reached number two in the U.S., and number five in the world. However, it wasn't all about winning -- Heldman struggled with her own internal battles. In her memoir, "Driven: A Daughter's Odyssey," she speaks about her the pressure from her mother, mental illness, and the dark secrets of the tennis world. The Olympian joins us on set to open up about her story.