Yes, I understand.
Again, our view is that the governments have been working together in good faith for generations and that they will figure out.... You know, you have an option, which is don't go into the other country.
Our sort of overall view is to the extent that you want travel at the 49th parallel to be more efficient, the further away from the border you can have the screening, the better it is both for efficiency and security. There are trade-offs, as I mentioned.