Unjust: the story of James Prendergast

In 1877 Chief Justice James Prendergast ruled the Treaty of Waitangi was "a simple nullity", in part because it was signed by "simple barbarians" and "savages". Those words have seen him condemned as an arch-villain of NZ history, but was he simply a man of his time? William Ray speaks to Grant Morris, author of Prendergast: Legal Villain?