I see the problem in that if only the liberal point of view is presented, then some serious stuff is being left out of the curriculum. This would be stuff that would be necessary in order to draw a reasoned opinion based on all available data. To me public education is not for the purpose of indoctrination but for the purpose of education, and one critical component of education is to encourage critical thinking. And despite what any of you think of me, I would be just as concerned if only the conservative point of view was being taught in public school including the universities. (Your best defense against the enemy is to know him.

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I would object to any public school student being marked down or ridiculed or ostracized or otherwise punished because s/he drew a subjective conclusion that differed from his/her professor.
The student should be able to demonstrate that he/she knows the material and it is right and proper for the school to judge him/her on that basis. The school should not have the right or ability to dictate what the student must think.
And that, my friend, is my concern with all this.