'Mario' Don Pollar When Mario Cuomo is discussed today, it’s most frequently in the context of how disappointing his son Andrew has become (and Chris, too, if you happen to work in the media), or his universally relevant observation that politicians “campaign in poetry and govern in prose.” It’s one of those maxims so indelible it’s hard to imagine that it emanated from any single person, and it hovers over every moment of Peter Kunhardt, George Kunhardt and Teddy Kunhardt’s new documentary,...