The greatest threats we face are climate breakdown and pandemic disease. This was the assessment of security advisers before the Covid outbreak and the last few months have seen the stunning reality of this as the world lurches into a giant economic and political crisis. I am joined by Calder Walton, Director of Research of Harvard Kennedy School's Intelligence Project, to talk about whether there was a huge intelligence failure around the outbreak of the pandemic, but also whether our intelligence communities are properly organised to realistically evaluate the real nature of the threats to our societies. He also has a bold idea to help avoid a future recurrence...