You need to understand The Long March Through the Institutions.
https://en.wikipedia.org/wiki/The_long_march_through_the_institutions
This explains Soros and others.
And what began with the German communist academics who fled Hitler and found a home in various American universities, such as Columbia and then flourished there, while being aided by the Communist Party of America. Look at where are schools are today, teaching anti-Americanism even into elementary schools.