I collect these textbooks and materials. If you find these at a “reasonable” price in an antique store, i.e., < $20, please tell me and send me some info on it, I’ll likely pay for the book and the postage. (Depends on how many contacts I get!)
I suspect the damage done to our understanding of the Constitution is intentional. Just as in the “Great Leap Forward” in China, and other forced transformations, you have to destroy the old culture first before you can create the envisioned “People’s Utopia”.