Is Pauline Hanson now unstoppable?

This week Pauline Hanson addressed the National Press Club and a new poll showed she is Australia’s preferred prime minister.  Today, columnist, author and academic, Waleed Aly, on how One Nation could win the next election and why it’s so hard for the major parties to stop the rise of Pauline Hanson.  Featured:   Waleed Aly, co-host of The Minefield on ABC Radio National, a columnist, author and politics lecturer at Monash University