"taken over American institutions"? Ah yes, the old 'any set of ideas I'm not comfortable with can only be 'the International Communist Conspiracy', or perhaps 'the Judeo-Masonic plot' as your sort called it in the 19th Century.
You can't accept that any movement for change can ever be justified or legitimate, everything has to be a nefarious plot, and any change can ONLY lead to the Gulag.
We've all read this pamplet before- it was the sort of thing your ideological ancestors were handing out in Dallas right before JFK was shot.
When did the paranoia set in with you, might I ask?