Anna Henderson's Canberra, separatists in Canada, plus how GPS really works

Anna Henderson looks at One Nation's historic win in Western Australia, securing its first lower house seat in the state. In oil-rich Alberta, a growing separatist movement is asking a once unthinkable question: should the province leave Canada and become an independent country? Plus, how GPS (Global Positioning System) now underwrites everything from rideshares to traffic light systems, international banking and supply chains.Guests:Anna Henderson, Chief Political Correspondent, SBSAndrea Lawlor, Associate Professor in political science, at McMasters University, Ontario, CanadaKatherine Dunn, author, Little Blue Dot: How the Global Positioning System Shaped the Modern World