I am sitting in one of the most beautiful Piazzas in Italy, Piazza Maggiore in Bologna. On a huge screen, Gene Hackman is walking across Union Square in San Francisco, which by coincidence is almost exactly the same size as the square where I’m sitting. He’s trying to record a conversation between two young lovers. The film is The Conversation, the masterpiece which Coppola sandwiched between the first two Godfathers in 1974. Coppola’s film was also inspired by Michelangelo Antonioni’s Blow Up (1966), another Italian connection. I can’t think of a better way of watching this 4K restoration, sh…