Culture editor Eve Jackson brings us the latest from Day 4 of the Cannes Film Festival, where U2 frontman Bono is premiering Stories of Surrender. The documentary, directed by Andrew Dominik, is based on Bono’s emotional one-man stage show – mixing his biggest hits with personal reflections on grief, fame, and activism. Speaking at Cannes, the rock legend warned that “the world has never been closer to a world war” in his lifetime.