University of Canberra Deputy Vice-Chancellor Leigh Sullivan speaks with Michelle Grattan about the week in politics. They discuss Barnaby Joyce signalling interest in the Nationals leadership, the schism between Queensland Nationals MPs and moderate Liberal MPs on coal-fired power stations, the Reserve Bank deputy governor’s climate change address and Labor’s push to make the minimum wage a “living wage”.

Michelle Grattan does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.