The balance between defense of borders and the human desire for unfettered movement has bedeviled us for our entire existence, usually finding form in a bureaucratic prerogative that strips the immigrant of humanity.
This song, by Graham Nash, is one of my favorites on the subject.
One of my favorite songs, albums, and artists. "An elegant weapon for a more civilized age," as Obi-Wan said of a lightsabre; but still a useful tool and symbol.