What will it take for iwi, Crown deal on water rights?

Environment Minister David Parker says plans to reduce water pollution need to go hand in hand with settling Maori freshwater claims. It's been a vexed issue. The last government dodged it by simply declaring no one owned water and that wouldn't change. So what will it take to make a deal? Willie Te Aho is a leading negotiator in the field. He tells Guyon Espiner the Iwi Chair Forum had a positive discussion with Kelvin Davis.