When Rex grounded its capital city services and entered into voluntary administration last week, it joined a long queue of airlines that have unsuccessfully challenged Qantas and Virgin’s duopoly. The former Australian Competition and Consumer Commission chair Rod Sims argues this was caused by ‘public policy failure’ over the allocation of slots at Sydney airport. Guardian Australia’s transport and urban affairs reporter Elias Visontay speaks to Tamsin Rose about how a lack of competition means that consumers are going to continue paying more for less

In court so far we have heard much detail about the two accused of Amber Haighs murder. People have spoken about them and for them but we haven’t heard them speak for themselves, until now. This week reporter Ben Doherty tells Bridie Jabour about the recordings of Robert and Anne Geeves played to the court Listen to all episodes of Who Cared? The disappearance of Amber Haigh here: theguardian.com/amberhaigh

This week, Paul Dans, the leader of the controversial Project 2025, resigned and signalled in a company email that work on it was ‘winding down’. The project had become a manifesto of rightwing policies that would serve as a guide for the next Republican president. However, there is a significant stumbling block: Donald Trump claiming he wants nothing to do with it

Following the assassination of Ismail Haniyeh, the political chief of Hamas, in the Iranian capital, Tehran, are we on the edge of a regional war? Emma Graham-Harrison reports

More than 10 million people around Australia have tuned in to experience the sporting highs and lows of the Olympics. And while there are always controversies, the games in Paris this year have been sucked into a culture war. Bridie Jabour speaks to the head of news, Mike Ticher, and the national news editor, Josephine Tovey, about why some on the right have turned the Olympics into a moral panic

Education reporter Caitlin Cassidy tells Nour Haydar university academics claim they are being pressured into passing students with no grasp of ‘basic’ English to maximise revenue Australian universities accused of awarding degrees to students with no grasp of ‘basic’ English

When it comes to marijuana, Australia is trailing behind the US where recreational use has been legalised in a number of states. And yet the boom in legal cannabis gummies there seems to have resulted in an increase of illicit edible use back home. Health reporter Natasha May tells Matilda Boseley why more people are turning to edibles instead of alcohol, but experts warn they cannot be sure what they are consuming You can support the Guardian at theguardian.com/fullstorysupport

The resignation of two senior ministers has given the prime minister the chance to refresh his cabinet and also solve some political problems. Guardian Australia political editor Karen Middleton tells Nour Haydar if Labor’s new line up can secure the party a second term in government You can support the Guardian at theguardian.com/fullstorysupport

The trial of Robert and Anne Geeves for the murder of Amber Haigh has now heard 22 days of public hearings. Reporter Ben Doherty has previously heard evidence from those in Amber’s community: neighbours, friends, family and people who met her briefly. But this week, he tells Bridie Jabour, the court heard from those who were in charge of the investigation into her disappearance Listen to all episodes of Who Cared? The disappearance of Amber Haigh here: theguardian.com/amberhaigh

Kamala Harris enjoyed a brief period of excitement as Democrats rallied behind her presidential bid ahead of November’s election. Only a few days in, however, she is being asked questions over her stance on Israel and the war in Gaza. With fewer than 100 days left, Joan Greve speaks to the former adviser to Barack Obama and co-host of Pod Save The World, Ben Rhodes, about the state of play for November 2024 How to listen to podcasts: everything you need to know