Tonight on Amanpour and Company: Richard Haass, Former U.S. Diplomat / President Emeritus, Council on Foreign Relations / Senior Counselor, Centerview Partners; Rose Gottemoeller, Former NATO Deputy Secretary General / Lecturer, Stanford University; Report: The People of Pakistan Head to the Poll Booths; Aleema Khan, Sister of Imran Khan. Michel Martin interviews David Graham, Staff writer, The Atlantic.