Well, I'm glad you have some allegiance to this country - at least in word - but a lot of your Mexican brethren couldn't care less about the USA and are turning California into the same cesspool from which they escaped. It's not going to continue to be the greatest country in the world if we continue to allow entrance to every third world immigrant who shows up. There are 40 million poor in Mexico alone, and they are within a 24-hour bus ride from the border. They will be heading our way eventually because the Mexican economy is not creating jobs for them.
Indeed, we are a beacon of hope for the world, and many countries who have embraced the same message, followed our example and provided freedom and opportunity for their people at home -that's how it should work. So what is Mexico waiting for? The change must be forced on them, and the forcing is done by closing the border.
What if "closing the border" leads to a recession, or worse yet, another 10-year depression - would that be worth it?!