And the culprit is...

Heard the one about the nanny who had nothing to do with her employer's wrongdoing but got blamed anyway? Last month David Blunkett resigned as home secretary after it appeared that he had taken advantage of his position to fast-track a visa application for his mistress's immigrant nanny, Leoncia Casalme. At the same time, in America, the man appointed as new homeland security head by President Bush had to stand down when those vetting him found he hadn't paid his nanny's taxes. And in a sensational US trial, the murderer of a Wall Street financier was convicted with the testimony...