Jack Jones, National Treasure and the backbone of radio schedules and British resolve, has disappeared. Needless to say the powers that be are in something of a tizz, fearful of the disquiet this seems to be causing across the country. Although everyone is trying to keep calm and carry on, he really must be found. But it is more difficult than it would at first appear. To start with, it seems that he has no fixed abode. And no one is sure quite...