The scale of humanitarian suffering in Syria is impossible to capture in words delivered from the comfort of a radio studio - 12 million people are in dire need of emergency aid. Hardtalk speaks to Valerie Amos, head of the UN's humanitarian affairs operation. Is Syria part of a wider story of international humanitarian failure?
(Photo: Valerie Amos, UN Under-Secretary-General for Humanitarian Affairs and Emergency Relief Coordinator. Credit: Joseph Eid/AFP/Getty Images)