Michael Parkinson has described Victoria Mather and Sue Macartney-Snape as 'not so much observers, more collectors, pinning their victims like butterflies in a display cabinet. Their observations are made with the wit and humour necessary to survive the circles they move in.' True to form, The Appalling Guests offers the chance to delight in yet another array of social stereotypes, from supermodel Tweetie's baby shower (the editor of Vogue has bought...