Darren England/AAP

VIDEO: Michelle Grattan on the home affairs department

The University of Canberra’s Michelle Grattan and acting vice-chancellor Frances Shannon discuss the week in politics, including Prime Minister Malcolm Turnbull’s reforms to national security with the creation of a Home Affairs department headed by Peter Dutton, the Greens losing a second senator in less than a week, whether the Constitution should change to allow people with dual citizenship into parliament, and the NSW Liberals’ convention this weekend on their rules.