That mystique -- and controversy -- still cling to the movie producer, investor, and political adviser. With his one-time employer Donald Trump now in the fight for his electoral life, and Bannon embroiled not only in a fraud case but the uproar of the discovery of a computer alleged to be Hunter Biden’s, now is an opportune time to revisit Bannon and look for that vital spark imparted on the 2016 Trump candidacy through the lens of Errol Morris's interview documentary American Dharma.