This ongoing story dates back to August 2008, when noted U.K. science writer and broadcaster, Simon Singh, ran an opinion piece in The Guardian about "Chiropractic Awareness Week". The British Chiropractic Association responded with a libel suit.
At least one blogster has reproduced the [url=offending">http://gimpyblog.wordpress.com/2008/08/17/the-libellous-simon-singh-arti... article[/url], and interspersed some comments and references.
I think it is most telling that quacks would resort to the courts to suppress scientific refutation of their lucrative snake-oil sales.
And in the latest instalment (May 8, 2009), Singh has received a [url=setback">http://jackofkent.blogspot.com/2009/05/bca-v-singh-astonishingly-illiber... in an English High Court ruling[/url].