Johnny Cash Documentary: 10 Things We Learned From 'American Rebel'

When it comes to the extraordinary life, career and legacy of Johnny Cash, just scratching the surface would be a daunting task for any documentary filmmaker. Revisiting the legend that is the Man in Black can prove challenging, especially when the central subject has already been portrayed in an Oscar-winning biopic and numerous books and TV specials. The latest attempt to solve the fascinating puzzle of one of America's greatest entertainers is CMT's original documentary, Johnny Cash: American