IT may have been that the porter at York railway station was irritated by Sunday duty, or it may have been that the outward signs of wealth in his client were not conspicuous; whatever the cause, he spoke rudely to her. Yet Jasmine Grant was not a figure that ought to have aroused the insolence of a porter, even if he was on Sunday duty. To be sure, her black clothes were not fashionable; and a journey from the South of Italy to the North of England,...