We really can't tell who blackballed the bobby dukes story just from this phrase alone. There are many possibilities. It could be a political figure trying to protect their reputation if Bobby Dukes was involved in something related to them. Or it could be a family member who wanted to protect the family's image. Without further details, any answer would be just a guess.
As I said before, it could be a lot of things. It might be a media company, a regulatory body, or even a small group of people who are in a position to influence the spread or acceptance of the 'Bobby Dukes story'.
I'm not entirely sure without more context. 'Blackballed' usually means to exclude or ban someone or something. Maybe it means that a certain 'watch' (could be a group, an organization, or a media outlet perhaps) has blocked or refused to deal with the 'Bobby Dukes story'.
The term 'blackballed' has a negative connotation of shutting something out. Regarding 'the bobby dukes story', perhaps it was blackballed in a social, professional or media context. For example, if it's a news story, maybe some powerful entities didn't want it to be told, so they took actions to prevent its spread or acceptance.
Yes. If you are interested in the life of a music icon like Bobby Brown, it's definitely worth watching. It gives insights into his career, his rise to fame, and his personal struggles.