We are told that there are several million vehicles on the road which are untaxed, uninsured, do not have a current MoT certificate and are probably being driven by an unlicensed driver. Yet every year, especially at Christmas the police mount an operation to catch 'over the limit drivers'. Whilst they usually manage to catch a few (and rightly so) I am puzzled why they never seem to catch any of these unsafe cars and drivers To misquote Winston Churchill "But in the morning I shall be sober".