In terms of research, we need to have a greater understanding of why people misuse drugs. Most Members of the House will have stories of the devastation caused to families and communities. There must be an ongoing evaluation of all programmes in the strategy. I welcome the fact there will be a full review of progress by the end of 2004, which will give us a good idea of where we are going, where we have come from, and what is needed to continue the work. Indeed, the national advisory committee carries out ongoing research and evaluation in this area.