COMMENTARY: Amid low institutional trust, Spielberg’s ‘Disclosure Day’ resonates

Steven Spielberg's spectacular career arc includes popular popcorn films like "Jaws" and "Jurassic Park" as well as more sober, serious cinema like "Lincoln" and "Saving Private Ryan." But while the movies vary, there's one theme he keeps returning to: the possibility (or probability, as Spielberg seems to see it) of extraterrestrial life.