Warning: art may broaden the mind. It should never apologise

The Royal Opera House has issued a content warning to opera-goers who’ve bought tickets for Lucia di Lammermoor. It’s a slippery slopeImagine the scene. All round the Royal Opera House, hoards of weeping children, begging to be admitted to Mussorgsky’s Boris Godunov, which opened in a new production this week. “Please, Mum! It’s not fair. It’s the original 1869 version! You promised.” But their careful parents have just read the programme: Please note th