The first instalment of Mario’s On the Sofa podcast series. Cameras off, set closed, towels down – and microphones on. It’s like overhearing the juiciest morsels of gossip at the bar – if the patrons were Mario Testino and supermodel icon Kate Moss. The two old friends flick through a catalogue of their best shoots together and discuss a special night at Harmony Korine’s house. If the corridors of fashion shoots could speak, this is what you’d hear…