"Disclosure Day" director Steven Spielberg has said that his latest film, which sees him return to the topic of UFOs and extra-terrestrial life forms, is "built on a foundation of truth." Few directors have explored onscreen over the years the possibility of life on other planets more thoughtfully than Spielberg,

The topic of extraterrestrial life is not alien to Steven Spielberg.

But this is Spielberg, a moviemaker supreme who has bigger thoughts, larger questions about the universe and is still trying to get answers a half century after he dazzled the world with Close Encount...