American Cafe April 4, 2017: Hope for the paralyzed, a virtual Volterra and Zookeeper's Wife.

This week,we introduce you to scientists who are helping a paralyzed man regain function. We'll also visit a team of researchers who have made a virtual copy of the ancient city of Volterra. And Penelope Poulou reviews the new Jessica Chastain film, The Zookeeper's Wife.