[At a small rink in Toronto next week, the NHL is inviting its GMs and coaches to a research-and-development camp, and it has recruited overage juniors who are free agents and a handful of college skaters for tests and scrimmages over three days.] We'll be focusing on rules changes that have been brought forth over the last year and a half, ... We understand certain changes have to be made, but we don't want knee-jerk solutions. We don't think the game is as bad on the ice as some people make it out to be. That's a side effect of our problems off the ice. But we do understand some changes have to be made. Colin Campbell