The Middle East and Ukraine are in protracted wars; the US, UK and India face elections; millions of displaced people have created a global refugee crisis. Our cohesion is fraying. A panel of big thinkers make sense of it. Panellists: The Guardian's World Affairs Editor, Julian Borger; author and academic Abdulrazak Gurnah; soprano, composer and human rights advocate Deborah Cheetham Fraillon and The Age's Features Editor, Maher Mughrabi.