It ain't the Republicans trying to get "Huckleberry Finn" out of the schools.
...Or keeping opposing points of view out of our universities, even resorting to violence, or trying to bring back a more hard-line Fairness Doctrine to wipe conservative talk radio off the air.
The Left has its own examples of irrational dogmas on what we should or shouldn't be allowed to hear or read. The words "politically correct" came into use for a reason.