A widow whose husband died from lung cancer has lost her legal battle against one of the world's biggest tobacco companies.Margaret McTear claimed Imperial Tobacco failed to warn her husband Alfred that smoking could give him cancer. But the judge in the case said: "The pursuer's case failed on every issue on which I would have needed to find in her favour." Alfred McTear began the action against Imperial in 1993 and his wife continued it after his death that year. Mrs McTear, 60, of Beith, Ayrshire had demanded £500,000 in damages. She said she was disappointed at the judgement...