Michelle Grattan talks with Assistant Professor Caroline Fisher about the week in politics, including the “sports rorts” affair, Bridget McKenzie’s resignation leaving a vacancy for the deputy leadership of the Nationals, the new leader of the Greens, and the ongoing debate about climate change.

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.