09:05 Your last will and testament, carved in stone, or contestable?

Kathryn Ryan talks to University of Otago Professor of Law Nicola Peart about adult New Zealanders challenging their parents wills. We'll look at the intent of the Family Protection Act, how it's being applied by the courts, and on what grounds challenges are being mounted.

09:20 Is it time to legalise cannabis in New Zealand?

Members of Parliaments, lobists and supports gathered outside Parliament with petition to legalise cannabis, 17,000 people signed the petition. Gary Chiles with his cat Tiffany.

Photo: Radio NZ/Rebekah Parsons-King

How can New Zealand develop drug laws that are fit for the 21st Century? More and more countries are shifting towards dropping punitive measures to make way for regulated approaches, and to re-prioritise spending on prevention, education and treatment. One of those is Canada, which is on course to becoming the second country in the world, and the first G7 country, to legalise and regulate cannabis. Kathryn speaks with Anne McLellan, who was appointed by Canada's Prime Minister Justin Trudeau to chair the country's Task Force on Cannabis Legalization and Regulation. She's in Wellington for this week's international drug policy symposium held by the New Zealand Drug Foundation.

09:45 USA correspondent Susan Milligan

Kathryn Ryan talks to US correspondent Susan Milligan about President Trump's latest twitter storm, and allegations of voter fraud in the 2016 US election.

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10:05 Tailoring drugs & diet to your genes? It's already happening.

Now that genetic testing is readily available expect more medicines, and even diet and exercise to be tailored to your gene types. In his latest book, evolutionary biologist, family doctor, surgeon and academic Dr Sharad Paul looks at how environments shape our genes; how genes affect the body's response to prescription drugs; and how we should eat according to our individual genetic codes. In conjunction with the book, The Genetics of Health, Dr Paul has developed a DNA saliva test to determine how genes can influence stress levels, nutrient and mineral metabolism, and even sports preferences.

10:35 Book review

Jolisa Gracewood has been reading Eddie Izzard's Untitled Memoir

10:45 The Reading

11:05 Business commentator Rod Oram

Business Commentator, Rod Oram looking at whether we're losing the war on waste as more rubbish heads to landfills, and investment fund manager Mark Warminger is fined $400,000

Wave

11:20 Wave forecasting

Kathryn Ryan talks to Dr Richard Gorman, a NIWA scientists who specialises in  wave forecasting. He says advances in mathematical models, satellite technology and supercomputers is giving us an ever-clearer picture of how waves form and propagate across the ocean.

11:45 Media commentator Gavin Ellis

Media matters with commentator Gavin Ellis including embarrassment for Maori Television over the screening then withdrawal of controversial mockumentary "Jonah from Tonga”.

Gavin Ellis is a media commentator and former editor of the New Zealand Herald.  He can be contacted on gavin.ellis@xtra.co.nz

Music played in this show

Artist: Nathan Haines
Song: Squire for Hire
Composer: Haines
Label: FMR
Time: 10:06

Artist:  Nice Cave and the Bad Seeds
Song: Right Hand Hand
Composer: Cave/Harvey/Wydler
Album: Let Love In
Label: D2 Band
Time: 11:22

Artist:   Dan Auerbach
Song: Shine on me
Composer: Auerbach
Album: Waiting on a Song
Label: Easy Eye Sound
Time: 11:39