Jesus, Take the Wheel: Silencing Speech at School Board Meetings

This dad took to the school board meeting to read an excerpt from a book reportedly made available to students at Indian River Schools in Florida... the school board, because of the inappropriate nature of the book, silenced the concerned dad. The irony doesn't seem to resonate with these Leftists - in their minds, it's okay for children to read that filth but not for adults to discuss it in a public forum?