The things that inform student culture are created and controlled by the unseen culture, the sociological aspects of our climbing culture, our 'me' generation, our yuppie culture, our SUVs, or, you know, shopping culture, our war culture.
I think over the course of 14 films, I'm returning to a place that I know to tell a story... the same way Spielberg returned to fantasy, Lucas returned to the 'Star Wars' saga, or John Ford returned to the western.