Israel and the Palestinian Authority have agreed to launch immediately peace negotiations with the goal of reaching a full treaty by the end of 2008. But Israel has already said it will delay talks on core issues, including the status of Jerusalem, the borders of a Palestinian state, the future of Jewish settlements in the West Bank and the fate of Palestinian refugees. We speak with Palestinian lawmaker and physician Mustafa Barghouti and former Israeli peace negotiator Daniel Levy. [includes rush transcript]