The Independent On the front door of Kathy Burke’s house, there is a sticker of a slavering bull terrier. Perhaps for fear that this should give too menacing an impression, there are a couple of stickers of guinea-pigs as well. Inside the airy Islington council maisonette, a sly glance at the bookshelves of the best British character actress of her generation reveals – among other impressive tomes – Charles Bukowski’s Post Office, a slang thesaurus and Michel Foucault’s Discipline and Punish. In brazen contravention of the international actor’s bookshelf charter, these have the look of having been read. If I was a star of stage and screen, currently directing the…