Discussions on indigenous economics is top of the agenda at the final national hui for Maori kotahitanga, or unity, in the South Island today. The meeting is the final of the 'four winds' hui called by the late Maori King Tuheitia. South Island iwi Ngai Tahu are hosting the hui at Tuahiwi Marae north of Christchurch. Charlotte speaks to RNZ's Maori news reporter Pokere Paewai who is at the hui.