The wonders of email. I emailed the author and he responded pretty quick. Here’s what he said:
“You are correct, Lind’s address to the AIA was in 2000. No, I am not saying the phrase came about ten years ago. I believe it’s been around since about WW 1, the time of Beck’s favorite President ;-}. Looking at the article now, in hindsight I should’ve been clearer on that. I will go back and edit the article to clear up any misconception. Thanks for bringing this to my attention.”
Looks like he’s edited the paragraph to make it clearer. It now reads:
“The phrase has been in existence for many years. A Wikipedia entry notes an early usage of the term in the 18th Century, and proponents of liberal thought used it in the 1970’s. The idea has been around at least since World War 1, and one website attributes the phrase to Leon Trotsky. In an address to the AIA in 2000, Bill Lind said it originated in a comic strip. We laugh at the idea of political correctness, but as Lind points out, it is deadly serious. He calls it the:”