A self-confessed cannibal went on trial in Germany accused of murdering a victim who was apparently willing to be killed, carved up and eaten in front of a running video camera. Armin Meiwes, a 42-year-old computer technician, was pictured laughing and chatting easily to his lawyer moments before the case opened in the central city of Kassel. It is the first time Meiwes, dressed smartly in a jacket and tie, has been shown in public since he was arrested a year ago. The macabre case is unprecedented in German legal history, not only because it concerns cannibalism -- which Meiwes...