If we have got some things wrong—which we demonstrably have, judging by the recommendations at which Crerar arrives—this is a good time to reflect on the nature and age of our parliamentary democracy.Like the minister, Andy Kerr and Derek Brownlee, I picked up on the following sentence from Professor Crerar's foreword:"many of the current external scrutiny arrangements are a result of assurance being required about particular public services at a particular point in time".That is code...