A Small Light is not about Anne Frank. It's a fairly obvious point to make, given Disney's promotion has centred on Bel Powley's Miep, a real woman whose quiet heroism has long been overshadowed by the way in which history focussed on Anne Frank's diary. Not that Anne Frank's irreplaceable writing on the years she spent hiding in an annexe of her father's store, before being transported to a death camp, isn't worth talking about. Of course it is. But what A Small Light does is uniquely illuminate part of her story, of so many forever damaged by fascism, in...