French finesse can deter buffet gluttons | Brief letters

A warning sign | Queuing for Van Gogh | NHS passports | Paddington Bear’s passport | Fitting F-words for TrumpFining diners who overload their plates is one way to stop bad buffet behaviour (Emma Beddington, 21 October), but gentler solutions can be just as effective. The French do it well. A favourite local bistro in Saint-Palais-sur-Mer has a sign at the buffet counter, warning customers: “Gluttony is a wicked vice. Please fill your plates with moderation.” It works: I&r