Commentary I still remember that beautiful spring afternoon a few years ago when my friend Rosemary and I sat on her porch next to a blooming azalea bush, chatting and waving to her neighbors. All of a sudden, Rosemary said, “You know, I really don’t care for Trump’s idea of building that border wall. What do you say?” I thought for five minutes and said: “Well, let’s see. How long have you lived in this neighborhood? Fifteen, twenty years? And you know most of your neighbors, right? Why do you still have locks on the doors and security cameras on the walls? Can’t you just let them come in your house, eat in your kitchen, bathe in your shower, and sleep in your bed whenever they want to?” “I guess I can’t.” “Then what’s wrong with building a wall along the border then?” She looked at me and said, “You …