Okay... I don't care. That isn't relevant to the point I was making, which is that if push comes to shove, pretty much anyone with a low to moderate degree of competence will be able to exit the country, even if the government isnt a huge fan of the idea. Borders in europe are completely unrelated, because we weren't talking about how difficult it is to cross the American-Mexican border relative to any other border in the world, but how difficult it is to cross this particular border relative to any given individual's ability to do so.