Auckland councillor Chris Darby has called for the Tino Rangatiratanga flag to fly from the Auckland Harbour Bridge, alongside New Zealand's national flag, year-round. The red white and black flag has been flown on the bridge every Waitangi Day since 2009, after a public consultation process led to it being adopted as the 'national Māori flag'. He says the country's attitudes have matured, and we need both flags. Darby spoke to Corin Dann about it.