o.uk site, go to http://www.guardian.co.uk/stage/2001/jan/26/theatre.artsfeatures1 Rich simplicity from Peter Brook Le Costume Young Vic, London Michael Billington Friday January 26 2001 The Guardian http://www.guardian.co.uk/stage/2001/jan/26/theatre.artsfeatures1 "Cultivate simplicity," was Lamb's advice t