LONDON.- Rupert Shrive will give new meaning to the word portrait at his show at Morton Metropolis, Londons most talked about gallery in the West End. In an insightful interview with Michael Peppiatt, biographer of Francis Bacon and author of a forthcoming book on Alberto Giacometti, the art historian describes the works as Very tender, sensitive things, as if youre peeling back the skin of appearance to show the strangeness of a human face and the head beneath. But it is not portraiture as we know it. There are two parts to this exhibition. In the first, the artist expresses his interest in extending the life of a two dimensional painting. A classically trained artist, Shrive takes his great passion for portraiture to another place, another level to find another lease for it which he does by crushing up a finished portrait, literally. Sometimes things go