Mark LeVine is Professor of History at the University of California, Irvine, a contributing editor for "Tikkun, "and a senior columnist for Al Jazeera. He is the author of "Overthrowing Geography" and the coeditor of "Struggle and Survival in Palestine/Israel" (both from UC Press).Mathias Mossberg is a retired Swedish ambassador with extensive personal experience from the peace process and related track-two diplomacy as well as from mediation efforts in other conflicts. He is Senior Fellow at the Center for Middle Eastern Studies, Lund University, Sweden.