The front door, threshold of welcome — and perilous border
NEW YORK — The American front door is a place where the welcome mat offers friendly greetings, where affable neighbors knock or ring, where boxes brimming with possibility are delivered. It is where home meets a world full of potentially good things. The American front door is a place where signs trumpet words of warning, where cameras monitor visitors in high definition, where intruders find an entry point. It is where only a hunk of wood or metal separates the innermost spaces of home from a world full of chaos. Both conceptions are real. They can and do exist together — ...