The film goes far to show Scientology as instrumental in breaking up Tom Cruise's marriage to Nicole Kidman, her children turned against her. This particular detail was new to Lawrence Wright, who learned the truth about the tabloid breakup in the making of the film, well after he had researched his book, on which the film is based.

I hit the ground running, arriving not-quite midway into the 2015 Sundance Film Festival in time to crank out a five-movie day on Sunday. That's less a testament to my stamina than to luck and logistics.

In her spirited one-woman show, "DiffiCult to leave," Roslyn Cohn uses song and narrative to recount her Scientology experiences. Alternatively hilarious and moving, the show is a first-hand account of the before and after of life in a cult... perhaps the largest, and most powerful, cult in contemporary times.