Steven Spielberg ’s latest UFO blockbuster is generating debate far beyond extraterrestrials and government secrets.

It’s been a week since Disclosure Day ’s release, and the nation’s biggest believers in extraterrestrial life are all abuzz.

A clip of the interview has gone mildly viral, featuring interviewer Rachel Abrams straight-out asking Spielberg “Was ET slimy or dry?” before suggesting that this is a decades-old conundrum that had ...