SILLY KIDS, SCHOOLS ARE FOR UNIONS: How the teachers-union empire strikes back. [Yes, I do know the uses of the apostrophe.  I used to teach ESL.  Apostrophes for plural are one of my pet peeves.  Let that be a lesson to you: never try to post while you’re exhausted from the day and dealing with three emergencies on pm.  Thank you to Eugene Volokh for catching this.]