Historian Carolyn Rasmussen discusses her joint biography of Melbourne's progressive power couple of the 20th century, Doris and Maurice Blackburn. Carolyn's book is called,The Blackburns: Private Lives, Public Ambitions.Andrew Walter, Professor of International Relations at Melbourne University, explores the most recent and dramatic developments in Brexit and the UK parliament. Professor Greg Barton, Chair of Global Islamic Politics at Deakin University, discusses the global rise of right-wing extremism, particularly in Europe, and Christchurch terror attack last week.