The communists have taken the long march through the institutions. Children need to be raised with the knowledge that this will be attempted to change their beliefs. Talking to other children will help too. Sometimes they will listen to another person and not blow them off likr they will often do with their parents.
Alinsky based his stuff on ideas from Marcus, he of the Frankfurt School. They came from Germany after Hitler failed, and infested Columbia University. And spread their marxist infection everywhere here.
Fun fact: Comey was a disciple. From “The Red Thread” (West).