That tweet from Gary Stager reminded me of this scene: Blotting your copybook used to be more than a figure of speech. It was, for some, a frightening everyday reality of life in school. This scene fromThe 400 Blows (Les Quatre Cents Coups, 1959), written and directed by Francois Truffaut, resonates with me. Antoine Doinel’s teacher – “Sourpuss” is a…