Open this photo in gallery: Tesla and SpaceX CEO Elon Musk gestures as he speaks during the inaugural parade inside Capitol One Arena, in Washington on Jan. 20.ANGELA WEISS/AFP/Getty Images The film, as I imagine it, starts with a tight shot: a family having a casual dinner out. Cut to another group at a second restaurant. And then a third family-friendly spot. The viewer soon detects that there is nothing casual or friendly about these scenes. As the cameras pull out, we see increasingly intense conversations are taking place as they dine at Canadian restaurants named Swiss Chalet, Boston Pizza,...