Earlier quoted context omitted.
These claims that the "don't say gay" legislation stifles free speech are dishonest. These are teachers, agents of the state, in a professional setting, not private citizens expressing opinions off the clock. If I'm paying taxes for public education then I should have a say in what gets taught, and that includes culture.
Now, wait a second - either it's bad that people get fired for expressing opinions, as Graham states in the essay, or it's not and people _should_ get fired for expressing opinions that you don't like. I don't think you can have it both ways. It's not even as if there's a conflict of interest here, as in the case of public officials being banned from certain kinds of political speech; these teachers are not hurting a…
If "no", how do you square that with "teachers can say anything they like"? I mean literally no employment is like that (try publicly saying your employer is evil, see how long you last...). Private speech != employee speech.