<p>Travelling to the hard-living Dylan Thomas's Boathouse in Laugharne, Wales, psychiatrist Theodore Dalrymple considered along the way another foible ? the folly of eminent people. Praised for their attainments in one area, high-achievers are more often than not prone to unexpected failings elsewhere. Enter a large cast of anti- and vivisectionists, surgeons, theologians, philosophers, admirals, judges, astrophysicists, Nazi-leaning homoeopaths,...