Ad Hominem attack. When you can't defeat the argument, attack the person themselves.
It's not a "win" in a debate. It's admitting failure.
I suspect the reason you can't "reason" with Mertex is that Conservatives today have their own collection of "facts", that are in actuality an...
Bush and his Administration were warned REPEATEDLY about Al Qaeda, and when the first attack happened, Bush was reading a book to a class of children, titled "My Pet Goat".
He continued reading the book as if nothing had happened. Cheney hadn't had the opportunity to call him privately and...