Is the Israeli fence/wall/barrier good for the Israeli/Palestinian peace process?

Is the Israeli fence/wall/barrier good for the Israeli-Palestinian peace process? – Read pro and con arguments from the Israeli Ministry of Foreign Affairs (pro), Palestinian Authority President Mahmoud Abbas (con), Editor in Chief of US News and World Report Mortimer B. Zuckerman (pro), UN High Commissioner for Human Rights Navi Pillay (con), US Congresswoman Nita M. Lowey (pro), MIT Professor of Linguistics Noam Chomsky (con), and more.