Amanpour and Company

Tonight on Amanpour and Company: David Hogg, Co-Founder, March For Our Lives / Parkland shooting survivor; Manuel and Patricia Oliver, parents of Parkland shooting victim; Dave Cullen, author, Parkland: Birth of a Movement. Hari Sreenivasan interviews Jez Butterworth, playwright, The Ferryman and Laura Donnelly, actress, The Ferryman.