The capital gains tax debate has lurched back on to the agenda thanks to the boss of our biggest bank and the housing issues faced by Christopher Luxon. Is it a good idea, and can Labour ever avoid getting electorally squashed by trying to push the rock up the slope again? Toby Manhire, Annabelle Lee-Mather and Ben Thomas chew it over. Plus: did the government underestimate the strength of feeling in Dunedin over its long promised new hospital? Is the swap of a teacher te reo programme for more maths resource a good idea? And a journey through the crust of the Earth in pursuit of the source of Casey Chatbot Costello's "independent advice" on tobacco taxes.Learn more about your ad choices. Visit megaphone.fm/adchoices