Sentence diagramming is the long division of English. It involves a bewildering array of lines and diagonal branches. It is loathed as an elementary school chore. And it is presumed to be obsolete.

Ever wondered what makes action movies — often cheesy and grandiose — timeless favorites? Aside from the weapons and explosions, dialogue probably plays a larger role than most think. And like books, ...

This is WEEKEND EDITION from NPR News. I'm Scott Simon. All right, class. Settle down now. Stop fidgeting. Sit up straight, eyes forward, all eyes on the blackboard. Today we're going to diagram ...