Israel and Hamas are at war and there are no signs of a quick resolution. But what would a resolution actually look like and who's actually going to try and negotiate one? David Aaronovitch talks to: Shashank Joshi, Defence editor at The Economist Steven Erlanger, Chief Diplomatic correspondent in Europe for The New York Times Professor Lina Khatib, Director of the Middle East Institute at SOAS University of London Production: Ben Carter, Sally Abrahams and Kirsteen Knight Production co-ordinator: Sophie Hill and Jacqui Johnson Sound: Neil Churchill Editor: Richard Vadon