An Elephant in Rome: Bernini, The Pope and The Making of the Eternal City By Loyd Grossman Pallas Athene, £19.99 Loyd Grossman, presenter of Through the Keyhole and Master-Chef, writing about Bernini, the 17th-century baroque magician who could turn stone into flesh? Surely that’s like listening to Simon Cowell on Tiepolo? Well, no. Dr Grossman,