Insight, colour and analysis. In this edition: the authorities deny IS or al-Qaeda is active in Bangladesh but others believe a spate of vicious killings there is the work of Islamist extremists; after Columbine, Virginia Tech and Sandy Hook, American schools are now having to rehearse what they'll do if their place of learning comes under gun attack -- but the precautions aren't always a comfort to parents; there are now hundreds of thousands of Syrians taking shelter from the war in neighbouring Jordan - their presence is having a marked effect on the Jordanian economy and on its peoples' eating habits; we meet a man in the shadow of Mount Kilimanjaro in Tanzania who tells us how the country's new president is providing his country with inspirational leadership at last. And surely covering the Cannes Film Festival is a thoroughly pleasant experience? Only up to a point, apparently. We hear a story of status anxiety and snobbery, indignity and humiliation