On Budget Day – also a day of nationwide protest by Māori – Te Pāti Māori co-leaders Rawiri Waititi and Debbie Ngarewa-Packer announced calls for a Māori parliament. But experts say this idea is nothing new. Margaret Mutu, a professor of Māori studies at Auckland University, has long investigated the best way for Māori to have proper representation. “All the way through you’ve always had Māori representatives coming together to discuss things…