Touching New Documentary ‘My Darling Vivian’ Tells Story of Johnny Cash’s First Wife [Video]Touching New Documentary ‘My Darling Vivian’ Tells Story of Johnny Cash’s First Wife [Video]"My Darling Vivian" gives us a never-before-seen look into the Cash family story of Vivian and Johnny's 13 year marriage, told by the four Cash sisters.Michael Dot ScottMichael Dot Scott