"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,

“Disclosure Day,” in theaters Friday, is a classic, big-hearted Spielberg adventure through and through, with ordinary people rebelling against shadowy secret keepers in the name of the truth.

Steven Spielberg has now made five movies about aliens (six if you count the 20-minute “Firelight” that he shot on Super 8mm when he was 17, and seven if you roll with my alternate reading of “The BFG...