Are you one of that elite band of Marmite patters, those folk who pat their favourite spread with a knife until it turns white? If so, you are in the company of jazzman Johnny Dankworth and society photographer Lord Snowdon. The latter even got daughter Frances to dress up in a full-size Marmite jar costume, with help from the makers. Bet she is not as keen on the stuff as her father. {{COUNTERPOINT }}