THESE horrifying knives have been taken off the streets of Coventry in the last 10 days. They are examples of the kinds of blades police and the Evening Telegraph are trying to banish from the city during the One Knife One Life campaign. The campaign, which was launched in the city last week, aims to teach youngsters - and particularly teenage boys - the dangers of knives. Police say young people carry knives to make themselves feel more secure, or because they know other people do. They say they don't think about the potentially devastating consequences carrying a knife can...