Why Wasn't VIVIAN CAMPBELL Interviewed For RONNIE JAMES DIO Documentary? Co-Director Explains

Demian Fenton, co-director of "Dio: Dreamers Never Die", the first-ever career-spanning documentary on the life and times of legendary metal icon Ronnie James Dio, was asked in a new interview why original DIO and current DEF LEPPARD guitarist Vivian Campbell wasn't interviewed for the film. He resp...