Musicians from such diverse groups as Pink Floyd and Boyzone have joined forces in a last-ditch campaign to halt the extradition to the US of north London computer hacker Gary McKinnon. The family and friends of McKinnon, who has Asperger's syndrome, are hoping that a campaign also supported by well-known names including Terry Waite, Boris Johnson, Sting, Lord Carlile and Jane Asher, will finally bear fruit. Next month, McKinnon is due to have what is likely to be his final legal appearance in a judicial review over the decision of home secretary, Jacqui Smith, to send him to stand trial...