09:05 Michael Cullen -  land tax, wealth tax, environment tax?

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Photo: 123RF

Is a shake up of the tax system looming? How likely are new taxes such as a broader capital gains tax, environmental taxes, and wealth taxes? The government's tax working group, headed by former the finance minister Sir Michael Cullen, is about to deliver its first background paper and has opened public submissions. Sir Michael discusses some of the options with Kathryn.

09:20 Marmaduke Loke: a big step forward

US Orthotic specialist Marmaduke Loke inspects Gordon Jackman's carbon fibre brace

US Orthotic specialist Marmaduke Loke inspects Gordon Jackman's carbon fibre brace Photo: Supplied

US orthotic specialist Marmaduke Loke is fitting customised carbon fibre leg braces which are allowing polio survivors to walk properly for perhaps the first time in their lives. He tells Kathryn Ryan about these "blade runner" type orthotics, the only type in the world which help people walk by realigning bones in the foot and the leg. He's joined by polio survivor Gordon Jackman, chief executive of the Duncan Foundation, who says Marmaduke has taught him to walk.

09:45 Australia correspondent Karen Middleton

The scandal surrounding Australia's former deputy Prime Minister Barnaby Joyce refuses to die down, with doubts surfacing over the paternity of his girlfriend's unborn child; calls to ban hazing in Australian universities; Jacinda Ardern steals the show in Sydney; and the Australian Government is trying to work out what the impact will be of US President Donald Trump's proposed new tariff regime.

10:05 Francisco Cantu: 'I still have nightmares'

Parts of the US-Mexico border are already sealed off by a wall. A family is pictured standing on the Mexican side of the wall in 2017.

Photo: AFP

Francisco Cantu spent four years as a United States Border Patrol agent, working in the deserts of Arizona, New Mexico and Texas along the Mexican border. His new memoir, The Line Becomes a River, provides a rare window into that world – outlining the horrors facing Mexican migrants as they attempt to cross the border. Himself the grandson of a Mexican immigrant, Francisco talks to Kathryn Ryan about the battle between doing a 'good job' and maintaining a sense of humanity.

The Line Becomes A River by Francisco Cantu.

The Line Becomes A River by Francisco Cantu. Photo: Supplied / Penguin Random House

10:35 Book review

Jenna Todd from Time Out bookstore reviews Peach by Emma Glass, published by Bloomsbury.

10:45 The Reading

Baby No Eyes by Patricia Grace, told by Nancy Brunning, Rawiri Paratene, Bradley Carroll and Ida te Rito. The story of a young mother and her young son, both of them haunted by the ghost of his lost sister. (Ep. 3 of 17)

11:05 Music with Yadana Saw

Music 101's Yadana Saw tells Kathryn Ryan what she's learned from nearly a quarter century of attending music festivals, featuring tunes from Dragon, Anderson Paak and My Bubba.

11:30 Mataatua Wharenui: The house that came home

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Photo: Jos's Photography

Prominent Māori writer and commentator Sir Hirini Moko Meade, 91, (Ngāti Awa, Ngāti Tūwharetoa, Tūhourangi) is the author of over 70 books, papers and articles. He talks to Kathryn Ryan about his latest book Mataatua Wharenui - Te Whare i Hoki Mai - the remarkable and disturbing story of the journey of one of New Zealand's foremost wharenui. Sir Hirini was Foundation Professor of Māori Studies at Victoria University and was closely involved in establishing the Māori university Te Whare Wānangā o Awanuiārangi in Whakatāne. A scholar of rare expertise in Māori language and culture, he was made a Distinguished Companion of the New Zealand Order of Merit in 2007 for his services to Māori and to education. This was upgraded to a knighthood in 2009.

11:45 Science commentator Siouxsie Wiles

This week, scientist Dr Siouxsie Wiles talks about the discovery of the oldest fossilised starchy snack ever found, and the proposal to classify adult-onset diabetes into not two but 5 different types.


Music played in this show

Artist:   Fabulous Arabia
Song: The Ballad of State Higway One
Composer: August /Milne
Album: Unlimited
Label: Economy
Time: 10.05

Yadana Saw's music picks

Artist:  Dragon
Song:  Rain

Artist:   Anderson Paak
Song: The Bird

Artist:   My Bubba
Song: Dogs Laying Around Playing