Major error

Sir: Even as a former Tory voter, I acknowledge that the predicted scale of the Conservative electoral defeat would be a national tragedy. Starmer’s government needs to be kept in check by a robust opposition. There are many explanations for the Tory decline, but George Osborne’s Diary (15 June) gives some clues: his celebration of a ‘Middle England’ country fête having a tombola for Gaza rather than a worthy local cause, for instance.