Our new series of Worldview, presented by Adam Boulton is considering the future of warfare and geopolitics in response to Russia's invasion of Ukraine. 

In this week's episode, Adam Boulton is in conversation with Beatrice Heuser, Baroness Pauline Neville-Jones and Frank Gavin discussing the roles of NATO, the EU and the UN today. How can these twentieth-century institutions tackle the challenges of the twenty-first century? 

Image description: The flags of the NATO member states are hoisted during the ceremonial handover of the new NATO headquarters in Brussels. Credit: dpa picture alliance / Alamy Stock Photo.