Tight margins make for interesting races in some Māori seats

There are tight margins, party hopping candidates and the potential for electoral history to be made in the Māori seats.
The seats remain the Maori Party's avenue to Parliament, given it is again unlikely to reach the five percent threshold.
Currently Labour holds six of the seven existing Māori seats. 
In Depth te ao Māori journalist Ella Stewart spoke to Corin Dann.