Tonight on Amanpour and Company: Polina Ivanova, Friend of Evan Gershkovich / Reporter, The Financial Times & Pjotr Sauer, Friend of Evan Gershkovich / Reporter, The Guardian; David Frum, Staff Writer, The Atlantic / Former Speechwriter & Ringo, Dog; From the Archives: Bassam Aramin, Spokesperson, The Parents Circle Families Forum & Robi Damelin, Spokesperson, The Parents Circle Families Forum. Walter Isaacson interviews Rafael Grossi, Director General, International Atomic Energy Agency.