Contributor(s): Professor Shai Feldman, Dr. Khalil Shikaki | Professor Shai Feldman is director of the Crown Center for Middle East Studies at Brandeis University, Boston. From 1997-2005 he served as head of the Jaffee Center for Strategic Studies at Tel Aviv University. He also serves as a member of the Board of Directors of Harvard University's Belfer Center for Science and International Affairs. In 2001-2003 he served as a member of the UN Secretary General's Advisory Board on Disarmament Matters. Dr. Khalil Shikaki is director of the Palestinian Center for Policy and Survey Research (PSR), Ramallah