I want to be clear. When I was summarizing the three objections, those aren't my objections. I'm simply telling you what is the perennial one.
In some ways, there have been changes since 2005, because technology changes and budgets change and the like, but those three objections have remained fairly consistent and haven't changed fundamentally. It's a mindset that Canadians have on why not to join ballistic missile defence.
At the same time, however, adversaries such as North Korea have bolted ahead of us. They now have technology that we've assumed is still in development and might not reach us, and I think we've seen that this is simply not the case. Our arguments have stayed quite static, but certainly the technology of our adversaries is bolting ahead.