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A landmark high court decision has opened up new questions about how the law should define parenthood, especially for single women who conceive with the help of a known sperm donor. Bri Lee on what this means and the societal assumptions that underpin ...

The discovery of water ice on the moon has started a new race in space exploration. This time, it is driven by tech start-ups and venture capital. Ceridwen Dovey on the legal framework that governs this race and Australia’s unique role in it.Guest: Wr...

Scott Morrison’s inner circle is a group linked by faith and friendship – and now, the front bench. Some in this group trace their connections back to his preselection and even before. Their ties were confirmed during the leadership spill last year. Ka...

As Labor loses party discipline over tax cuts, the Coalition enters into an ugly post-mortem of its leadership change. Paul Bongiorno on the jostle for positions before parliament returns next week.Guest: Columnist for The Saturday Paper Paul Bongiorn...

Israel Folau is the first Australian athlete to be sanctioned for his religious beliefs. His sacking by Rugby Australia has opened up a fissure in the debate over equality and freedoms. Martin McKenzie-Murray on how faith and sport are bound together i...

As millions protest on the streets of Hong Kong, the democratic freedoms promised in the handover to China are being tested. Louisa Lim on the character of the movement and the changes for which it is asking. Guest: Senior lecturer in journal...

When Rosie Batty's son was murdered, she became a public figure. She felt a great urgency about the contribution she could make – but it took an extraordinary toll. Martin McKenzie-Murray spoke to her about grief and healing.Guest...

This election was shaped by two men with very different characters. One of them was defined by certainty and the other by his insecurities. Erik Jensen on how leadership interacts with uncertainty, and what it means for the country.Guest: Editor-in-ch...

Despite a public commitment to passing their tax reforms as a single package, some in the Liberal Party see benefits in not getting the cuts through parliament. Conversely, some in Labor want to see the cuts pass and have the Coalition deal with the co...

Australia records higher losses from gambling than any country in the world. Our politics encourages the industry for the sake of tax revenues. James Boyce on how the sector uses faulty research to avoid regulation.Guest: Writer and historian James Bo...