‘Studying history at Balliol,’ writes Chris Patten, ‘I knew that the one thing which made me uneasy was a grand theory or over-arching generalisation.’ The remark comes from a Lord Patten’s latest book, First Confession. Henry Keswick wrote an unpleasant review in this magazine, and I’ve spent some time recently discouraging mutual friends from bothering to protest (‘Leave it, Jono, he isn’t worth it’).