Look Js, I have no problem where these issues can be discussed openly and honestly in classes like Sociology or Political Science. Hell, the teacher can be overtly biased in those realms. I DO have a problem in nearly any other class, History included, when the teacher is pushing an overt ideological bias, at the expense of education, by denying equal referencing, speakers, projects, discussion, etc., on the opposing ideology, and instead get talked down to & ridiculed by the teacher, and likely all those other students who have become followers of the teacher's ideology. And let's not forget the implied threats of having their grades knocked down, for failing to be properly "educated" in the ways of the teacher