Can international diplomacy end the war on Gaza?

Diplomatic pressure has had little impact on Israel's bombardment of Gaza. More Palestinians are killed every day, despite UN-led appeals for a ceasefire. Is there a role for international diplomacy in ending this war? And are positions shifting as the death toll mounts?  Presenter: Folly Bah Thibault  Guests: Sultan Barakat -- Professor of Public Policy at Hamad Bin Khalifa University Maleeha Lodhi -- Former Pakistani ambassador to the UK, U.S. and United NationsSteven Erlanger -- Chief diplomatic correspondent for Europe for The New York Times