Frances Ethel Gumm was born, 100 years ago this week, to a pair of entertainer-musicians in Minnesota, with an unprepossessing name that did not deter her from the stage. By the time she was 12, she had changed that name to Judy Garland. By the time she was 17, she had changed the world. In honour of the centenary of her birth, the BFI Southbank and its partner cinemas across the UK are running a season of Garland’s films, “A Star is Reborn”. It’ll feature the most famous of them – Meet Me in St Louis, The Wizard of Oz,...