Quote Originally Posted by ClaytonB View Post
Border-defense can be privately funded. Compare the security of a gated community to the security of most national borders. A stray cat cannot cross into the gated community at any time of day or night without their security knowing about it. So, libertarian defense is much stronger than public (tragedy-of-the-commons) defense. AKA be careful what you wish for...
What's to stop Jose from buying a piece of land on the mexican border and putting up a big "ENTER HERE" sign?

I'm against open borders but I'm not sure we need a wall to close the border.