If you want to understand the acute problems caused to freedom of the press by Britain's libel laws read A chill on The Guardian in the New York Review of Books.
Guardian editor Alan Rusbridger explains in detail how the paper came to be sued by Tesco, the reason that the case was settled, the importance of Private Eye's contribution, the enormously complex difficulties facing journalists trying to unravel corporate tax avoidance and the ramifications for public interest journalism.
