Great.
You say, “Thus, we argue that voters who are interested enough to register and turn out to vote would also understand and secure the necessary form of identification needed to cast a ballot.” The point is that in the U.S. system, if you do go over that hurdle and register, then already you're in the framework of seeking out the ID. That doesn't necessarily mean everybody in the Canadian context will be so motivated.
I'm wondering if you think that would be a difference that might create a different situation up here.