Every year in January politicians from all sides of the political spectrum head to the Rātana pā near Whanganui.
Nearly 85 years since the death of its founder, the Rātana movement still carries a significant amount of mana in Aotearoa's political and social spheres.
But that is only one side to the story of Tahupōtiki Wiremu Rātana and the movement he spearheaded.
Keith Newman has spent more than 40 years researching, studying and writing about Rātana. This week, a revised edition of his 2009 book Rātana the Prophet, has been released.
He joins Emile Donovan.