Tonight on Amanpour and Company: Evelyn Farkas, Former. U.S. Deputy Assistant Secretary of Defense; Halla Tomasdottir, Icelandic President; Natasa Pirc Musar, Slovenian President; and Mary Robinson, Former President of Ireland. Michel Martin interviews Jennifer S. Hirsch, Professor of Sociomedical Sciences, Columbia University and Shamus Khan, Professor of Sociology and American Studies, Princeton University.