A touch of class

Class. It's a subject that seems to obsess the British - and, because our obsessions are sitcom's obsessions, it therefore obsesses British sitcom writers.

Consider all our most popular sitcoms.

From Dad's Army to Peep Show, via The Good Life, Steptoe And Son, Only Fools And Horses, Two Pints Of Lager And A Packet Of Crisps, The Royle Family and Mrs. Brown's Boys - all of these sitcoms touch upon the issue of class.

Of course, American sitcoms also deal with it: Frasier, for example, about a pair of priggish upper-middle class psychiatrists, or Roseanne, firmly rooted at the other...