“When you’re on a good thing, stick to it.” Like most kids growing up in the 1950s and 1960s, Bruce Pascoe would have learned that adage. It has stood him in good stead, certainly in recent years. He has managed to parlay the extraordinary success of his fictional history Dark Emu into a children’s version, countless speaking gigs and media appearances, a two-part ABC documentary to be screened later this year and a digibook on the ABC’s Education webpage. The same could be said of his Aboriginality. Why claim to be only Yuin or Burnurong or Tasmanian Aboriginal when you…