Randi Weingarten

Teachers unions: They’re powerful, they’re defensive, and they’re stubborn. And if it seems their leadership places a premium on protecting its members – above all other interests – we should not be surprised, because protecting jobs and wages is what unions were created to do. And there’s the rub, say critics who argue the unions are shielding too many teachers who do their jobs poorly – teachers who should be replaced, for the good of the children. Indeed, so central…