The pseudoscience of learning

How to spot it in the education debate

“You got to know when to hold 'em, know when to fold 'em

Know when to walk away and know when to run”

Kenny Rogers, The Gambler, 1978

There is a phenomenon that is most striking in self-help business books. It goes something like this: You only know you are leading when you are generating some pushback. That is when you are on the edge of your authority. …