He was confronted by the sight of his wife sagging full length on the sofa, where she had been since approximately half past six, when she was strangled to death with one of her own silk scarves. Death isn't in the script of the comedy slated to open in London's West End. But bloody bad luck during rehearsals has convinced actress Tessa Crichton that the first night of Elders and Betters will be its last. Even a charming plot can't help the...