Add to ORKGIt is a pleasure to be read and a great pleasure to be argued with. Perhaps the greatest pleasure is to answer, especially insofar as one feels that one\u27s critics have misunderstood or gone wrong. But although it is sometimes helpful to clarify confusions, there is always the risk that an effort to be exhaustive in this respect will become exhausting instead and that a rigorous emphasis on small differences will suppress larger and more important ones. For this reason, and also in order not to abuse the luxury of writing (at least for the moment) last, I shall resist the temptation to defend my earlier argument against every objection at every turn and instead use these pages (in the main) to emphasize the principal themes of the discuss...