The two films are superficially similar. Both attempt to tell factually correct stories of parts of US history that aren’t exactly shining examples of how to do it right (especially when you let the politicians interfere after they have made the decision to go in). Both reconstruct battle scenes very well – too well if you’re squeamish.
This fascinating and moving biography is written by his wife, who (according to Billy) as a practising psychologist, regards Billy as "work in progress".
Why this isn't blatant record company recycling and is worth adding to your collection.