Michelle Grattan speaks with Institute for Governance and Policy Analysis Director Mark Evans about the week in politics. They discuss Bill Shorten’s leadership worries, flip flops on company tax cuts, the upcoming by-elections, and where the government is on support for the national energy guarantee.

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