On the question of other extractive industries, certainly it's not just Canadian companies. There are other companies around the world that have been involved in such abuses. I've investigated these in South Africa and Burma and I've spent extensive time looking at that issue.
It occurs when you have a situation where there's a poor governance regime, there's a company that's connected, and the security operations are a consistent concern. That's one of the reasons why the voluntary principles were developed in the first place.