So Liz Truss thinks the lettuce joke is “puerile” but supports Donald Trump, whose unhinged rants largely comprise pitifully childish schoolyard insults (Liz Truss leaves stage over ‘I crashed the economy’ lettuce banner, 14 August). Trump and Truss are united not just in their politics but also in their absolute lack of self-awareness, sense of humour, and belief in demonstrable fact. Hilary Knight Victoria, British Columbia, Canada Banksy’s rhino is described as an “artwork”, a “mural” and an “installation” (Banksy rhino artwork in London defaced with graffiti tag, 13 August), yet the individual who added their own composition to the image is a “mindless vandal”. Double standards perhaps? Stuart Harrington Burnham-on-Sea, Somerset Letters on accents (Letters, 15 August) reminded me of my educational ambitions in 1960s Liverpool. My Toxteth teacher learned of my aspirations for further education and counselled: “You’ll have to lose your Liverpool accent. But don’t worry, the catarrh will disappear when you move away.” Dr Ken Bray Bath A while ago, I was surprised that a delicious delicacy was signed on one of the market stalls as asparagu’s, thus becoming, perhaps, a medieval mid‑European warlord (Letters, 16 August). I taught English in town for years. Ian Runnacles Bury St Edmunds, Suffolk Re “How to rein in the malign influence of Elon Musk” (Letters, 15 August). Hands up all those who own a Tesla. John Peachey Woking, Surrey