As Israel prepares to vote on its future, the BBC's Middle East editor Jeremy Bowen travels through a devastated Gaza to ask where the recent Operation Cast Lead now leaves the future of the region. With feelings running high on all sides, Bowen follows extraordinary personal stories across the frontline, and pieces together rival claims about war crimes and the targeting of civilians. And he asks whether the 22-day offensive has really weakened the Hamas movement, or if the violence has simply sowed the seeds of further bloodshed.