Has Israel gone too far?

As the civilian death toll in Gaza continues to rise, there are growing calls for a ceasefire, but Israel and the United States are rejecting that.  But is Israel operating within the rules of war and is its response a month after the Hamas attack proportionate?  Today, president of the US / Middle East Project and former Israeli peace negotiator,  Daniel Levy on why Western nations need to reassess their approach to Israel’s bombing and invasion of Gaza.  Featured:  Daniel Levy, president of the US / Middle East Project