09:05 Todd Muller resigns - who now for National?

National Party leader Todd Muller has resigned after eight weeks - with just 67 days to go until the election. An emergency caucus meeting has been held this morning, but what now for the National Party? Kathryn is joined by RNZ political editor Jane Patterson and political commentator Brigitte Morten.

Todd Muller places the final screw in the new billboard in Napier

Photo: RNZ / Tom Kitchin

09.20 AI lightening the load on painful knees

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Photo: Flickr

Artificial Intelligence is being used in breakthrough knee surgery to lighten the load on painful knees.  Computational modelling calculates how to shift weight away from the painful area by working out the load each patient puts on their knees, and the way they walk.  In turn a level of precision can be achieved in surgery that can't be managed with the naked eye. The technology has been developed at the Auckland Bioengineering Institute.  Professor Paul Monk is an associate professor at ABI, and also an orthopaedic surgeon at Auckland Hospital, where, he tells Kathryn Ryan, this has been welcomed as a real game changer.

09:45 USA correspondent Ron Elving

The state of Florida's Covid-19 spike, and the White House throws shade at Dr Anthony Fauci.

People are tested for COVID-19 at a drive through testing site sponsored by the city at Camping World Stadium on July 8, 2020 in Orlando, Florida.

Photo: AFP

Ron Elving is Senior Editor and Correspondent on the Washington Desk for NPR News.


10:05 Shot Bro: Rob Mokaraka on acting against suicide

In 2009, actor Rob Mokaraka's mental health woes played out on a very public stage, so he took to the stage to help in his own - and others' recovery. He'd set himself up to be shot by police - and fortunately only ended up in hospital. Rob took his experience of what came before, during and after that point and packaged it into a one-man play called "Shot Bro: Confessions of a Depressed Bullet", which he's toured all over New Zealand. The central message: get help before it's too late. Rob's journey is detailed in a new documentary Shot Bro, screening on Māori Television and The Spinoff website.  

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Photo: Vanessa Patea

Where to get help:

Need to Talk? Free call or text 1737 any time to speak to a trained counsellor, for any reason.

Lifeline: 0800 543 354 or text HELP to 4357

Suicide Crisis Helpline: 0508 828 865 / 0508 TAUTOKO (24/7). This is a service for people who may be thinking about suicide, or those who are concerned about family or friends.

Depression Helpline: 0800 111 757 (24/7) or text 4202

Samaritans: 0800 726 666 (24/7)

Youthline: 0800 376 633 (24/7) or free text 234 (8am-12am), or email talk@youthline.co.nz

10:35 Book review - Selected Poems by James Brown

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Photo: Victoria University Press

Harry Ricketts reviews James Brown's Selected Poems, published by Victoria University Press.

10:45 The Reading

The Writer's Festival, part 12 (final). Written by Stephanie Johnson, read by Judith Gibson and Nigel Collins.

11:05 Jim Bolger on the resignation of Todd Muller


Former National Party Prime Minister Jim Bolger, who previously publicly voiced support for Todd Muller's leadership bid, joins the programme to talk about Todd Muller's shock resignation as leader of the opposition. Todd Muller worked in Jim Bolger's office when Mr Bolger was Prime Minister in the 1990s. 

11:20 Tiwai Pt closure, primary sector's new strategy

Business commentator Rod Oram joins Kathryn to break down the reasons why Rio Tinto has decided to wind down the Tiwai Point aluminium smelter. He'll also look government support for the Primary Sector Council's Fit for a Better World Strategy.

Aluminium Smelters

Tiwai Point Aluminium Smelter. Photo: Wikicommons

11:30 The ancient origins of the beloved guinea pig

Dunedin Police are concerned that family pets are being 'stolen to order' after a recent thefts of rabbits and guinea pigs.

Photo: Pixabay

11:45 Media commentator Andrew Holden

Andrew talks to Kathryn about information leaked to journalists and the decisions to be made about protecting the source.

Confidential papers

Photo: 123RF

Andrew Holden is a journalist for more than 30 years including five as Editor of The Press (in Christchurch) and four as Editor-in-Chief of The Age in Melbourne. 

Music played in this show

Artist: Leon Bridges 
Song: Better Man
Time: 09:30 

Artist:  DJ Shadow feat. Samuel T Herring
Song: Our Pathetic Age
Time: 11:45 

Artist: Kamasi Washington
Song: Becoming
Time: 10:43