Sam Blumenfeld was perhaps the nation’s top critic of the National Education Association. He authored The NEA: Trojan Horse in American Education, an expose of this group whose leaders are promoting a radical, anti-American agenda. A link to a PDF version of the book: https://campconstitution.net/sam-blumenfeld-archive/
And a link to an audio presentation on the subject:
https://www.podomatic.com/podcasts/shurtleffhal/episodes/2021-04-07T18_21_35-07_00