We've chipped away at it one piece at a time. What has tended to happen over the last few years is that on the same day, as a result of a lot of groundwork together, similar regulations with respect to auto fuel efficiency requirements and a variety of other things get announced by Canada and the United States. That is the way it has gone. But I agree with you completely. We breathe the same air, we drink the same water, and none of this respects a line that's drawn on a map. One way or another, we have to figure out how to work together. It's one of those issues that is going to only grow in importance.
