Tonight on Amanpour and Company: Nic Robertson, CNN International Diplomatic Editor; Carol Anderson, author, One Person, No Vote; Rosamund Pike, A Private War and Lindsey Hilsum, author, In Extremis: The Life and Death of the War Correspondent Marie Colvin. Walter Isaacson interviews Jennifer Doudna, Co-Discoverer, CRISPR-Cas9 Gene Editing.