Anyone who uses RR, and the Berlin Wall, to argue against a fence to control unfettered Mexican immigration, well, it's just impossible to argue against someone like that. I'd have to start at the beginning, like 2nd grade or so, and build on that base of understanding and logic, and then maybe we could talk. In your case, I don't have time.
JMO, sarcasm isn't your all DUmmies strong suit.