"As soon as you hear the title to this new one, you know exactly what it's about and why it's likely to be good, especially if you were a sports fan growing up in the 1970s. Even to good boys all the way across the country in New Hampshire, the authority-flouting baseball A's and football Raiders were magical. Not only did they win championships, they did it amid clubhouse brawls, feuds with an owner and a general embrace of the 1960s aesthetic. Filmmakers Rick Bernstein and Ross Greenburg tell the stories of these turbulent, talented teams...