Sir, – Do endless grunts and fist pumps really help players win tennis matches? – Yours, etc,DERMOT McCARRON,Dublin 14.
Letters to the Editor, January 26th: On Revenue and family carers, young children and screen time and a Trump-free St Brigid’s Day?
Letters to the Editor, January 24th: On Trump’s Board of Peace, medical diagnostics, governing the country and not so dry January
