Panelists: Christopher Pyne, Shadow Education Minister; David Bradbury, Assistant Treasurer; Amanda Vanstone, Former Howard Government Minister; Anne Summers, Author and feminist and Tim Levinson, Hip Hop Artist aka Urthboy.

Panelists: Chris Evans, Labor Senator for Western Australia; George Brandis, Shadow Attorney General; Corinne Grant, Comedian & Writer; Rachel Botsman, Author & Social Innovator; and James Paterson, Editor of the IPA.

Panelists: Tanya Plibersek, Minister for Health; Greg Hunt, Shadow Minister for Climate Action; Professor Lawrence Krauss, Theoretical Physicist & Cosmologist; Dr John Dickson, Director of the Centre for Public Christianity; and Dr Cindy Pan, Medical Commentator & Author.

Panelists: Jeff Bleich, American Ambassador to Australia; Bob Carr, Foreign Minister; Malcolm Turnbull, Shadow Minister for Communications; Ahdaf Soueif, Egyptian novelist, commentator and activist; and Eva Cox, Author and feminist.

Panelists: Bill Shorten, Minister for Employment and Workplace Relations; Julie Bishop, Deputy Opposition Leader; Christine Milne, Leader of the Greens; Tim Ferguson, Comedian and Senate candidate and Ruslan Kogan, CEO Kogan.

Panelists: Peter Garrett, Minister for School Education, Early Childhood and Youth; and Christopher Pyne, Shadow Education Minister.

Panelists: David Feeney, Parliamentary Secretary for Defence; Barnaby Joyce, Queensland Nationals Senator; Viv Benjamin, Anti-poverty Campaigner & Youth Activist; Alannah MacTiernan, Former WA Labor Minister; and Jeremy Cordeaux, Adelaide Broadcaster & Commentator.

Panelists: A.C. Grayling, British Philosopher; Brendan O’Connor, Minister for Immigration; Kelly O'Dwyer, Liberal Member for Higgins; Christine Nixon, Former Chief Commissioner of Victoria Police; Brendon Gale, Former AFL player and CEO Richmond Football Club; and George Megalogenis, Author and Commentator.

Panelists: Archbishop Mark Coleridge, Catholic Archbishop of Brisbane; Dr Mohamad Abdalla, Imam; Venerable Robina Courtin, Buddhist Nun; Josh Thomas, Atheist, Comedian & Actor; and Deborah Conway, Jewish Atheist Singer-Songwriter.

Panelists: Brooke Magnanti, Research Scientist and Author Belle de Jour; Germaine Greer, Feminist icon and provocateur; Mia Freedman, Mamamia founder and director; Deborah Cheetham, Indigenous opera singer; and Janet Albrechtsen, Opinion columnist for The Australian.

Panelists: Dick Adams, Labor MP for Lyons; Sophie Mirabella, Shadow Minister for Innovation, Industry and Science; David Marr, Journalist and commentator; Jan Davis, CEO of the Tasmanian Farmers and Graziers Association; and Peter Whish-Wilson, Greens Senator for Tasmania.

Panelists: Tanya Plibersek, Health Minister; and Peter Dutton, Shadow Health Minister.

Panelists: Mark Butler, Minister for Mental Health and Aging; Jamie Briggs, Coalition Spokesperson on Scrutiny of Government Waste; Sarah Hanson-Young, Greens Senator; Andrea Mason, Coordinator of NPY Women’s Council; and Nick Cater, Senior editor with The Australian and author.

Panelists: Julia Gillard, Prime Minister of Australia.

Panelists: Clive Palmer, Mining Magnate; Ged Kearney, President of the Australian Council of Trade Unions; Tim Nicholls, Queensland Treasurer; Larissa Waters, Queensland Greens Senator; and Bob Katter, Political maverick and Leader of Katter’s Australian Party.

Panelists: Ruby Wax, Comedian and Author; Faramerz Dabhoiwala, Author The Origins of Sex; Sylvia Nasar, Author A Beautiful Mind; William Dalrymple, Historian of India and the Islamic world; and Mike Carlton, Journalist, Commentator and Author.

Panelists: Lawrence Krauss, Theoretical Physicist & Cosmologist; Gene Robinson, America’s First Openly Gay Bishop; Fred Nile, Conservative Morals Campaigner; Amanda Vanstone, Former Howard Government Minister; and Susan Ryan, Age Discrimination Commissioner.

Panelists: Martha Wainwright, Canadian Singer - Songwriter; Bill McKibben, American Environmentalist; Michael Stutchbury, Editor-in-Chief of The Australian Financial Review; Linda Burney, Indigenous MP; and Cory Bernardi, Liberal Senator.

Panelists: Mark Latham, Former Federal Opposition Leader; Malcolm Turnbull, Shadow Minister for Communications; Craig Emerson, Minister for Trade; Jennifer Hewett, Political journalist; and Haifaa Al-Mansour, Saudi Arabia's first female filmmaker.

Panelists: Kate Lundy, Minister for Sport and Multicultural Affairs; Barnaby Joyce, Queensland Nationals Senator; Paul Kelly, Editor-at-large The Australian; Robert Manne, Writer and academic; and Dr Fiona Stanley, Former Australian Of The Year.

Panelists: Anne Summers, Author The Misogyny Factor; George Brandis, Shadow Attorney General; Graham Richardson, Labor power-broker turned commentator; Matt Thistlethwaite, Parliamentary Secretary for Multicultural Affairs; and Judith Sloan, Economist and businesswoman.

Panelists: Tanya Plibersek, Minister for Health & Medical Research; Sophie Mirabella, Shadow Minister for Innovation, Industry and Science; Todd Sampson, Advertising CEO and Gruen Transfer regular; Sue Cato, Commentator and Spin Doctor; and Neil Lawrence, Kevin 07 Campaign Creator.

Panellists: Anthony Albanese, Deputy Prime Minister; Malcolm Turnbull, Shadow Minister for Communications; Corinne Grant, Comedian & Writer; Bill Leak, Artist and Cartoonist for The Australian; and Miriam Lyons, Director of the Centre for Policy Development.

Panelists: Stephen Smith, Minister for Defence; Julie Bishop, Deputy Opposition Leader; Scott Ludlam, WA Greens Senator; Narelda Jacobs, WA’s first indigenous television news presenter; and Mitch Hooke, CEO of the Minerals Council of Australia.

Panelists: Bill Shorten, Minister for Education and Workplace Relations; Tim Fischer, Former Deputy Prime Minister; Arthur Sinodinos, Shadow Parliamentary Secretary to the Leader of the Opposition; Louise Adler, CEO of Melbourne University Publishing; and Michelle Foster, Director of the International Refugee Law Programme.

Panelists: Magda Szubanski, Actress and Comedian; Kate Ellis, Minister for Employment Participation; Josh Frydenberg, Liberal Member for Kooyong; Peter Shergold, Chancellor of the University of Western Sydney; and Shahzad Akbar, Pakistani Human Rights Lawyer.

Panelists: Doug Cameron, Parliamentary Secretary for Housing and Homelessness; Greg Hunt, Shadow Minister for Climate Action; Grahame Morris, Political strategist; Yassmin Abdel-Magied, Founder of Youth Without Borders; and Pamela Williams, National Correspondent Australian Financial Review.

Panelists: Penny Wong, Finance Minister; Christopher Pyne, Shadow Education Minister; Adam Bandt, Greens Member for Melbourne; Rhys Muldoon, Actor and Commentator; and Janet Albrechtsen, Opinion columnist for The Australian.

Panelists: Chris Bowen, Federal Treasurer; and Joe Hockey, Shadow Treasurer.

Panelists: Bill Shorten, Minister for Education and Workplace Relations; Kelly O'Dwyer, Liberal Member for Higgins; Tom Watson, Anti-Murdoch Campaigner; Sally Warhaft, Editor, Author and host of The Fifth Estate and Tim Wilson, Institute of Public Affairs.

Panelist: Kevin Rudd, Prime Minister.

Panelists: Tanya Plibersek, Minister for Health & Medical Research; George Brandis, Shadow Attorney General; Michael Kroger, Former President of the Victorian Liberal Party; Lenore Taylor, Chief Political Correspondent The Guardian; and Graham Richardson, Labor power-broker turned commentator.

Panelists: Clive Palmer, Leader of the Palmer United Party; Mark Latham, Former Federal Opposition Leader; Larissa Waters, Queensland Greens Senator; David Williamson, Playwright; Rebecca Huntley, Social researcher and writer; and Nick Xenophon, South Australia Independent Senator.

Panelists: Anthony Albanese, Labor MP for Grayndler; and Bill Shorten, Labor MP for Maribyrnong.

Panelists: Greg Hunt, Minister for the Environment; Kate Ellis, Labor MP; Viv Benjamin, CEO of the Oaktree Foundation; Luo Xiaopeng, Chinese economist and political analyst; and Greg Sheridan, Foreign Affairs Editor, The Australian.

Panelists: Arthur Sinodinos, Assistant Treasurer; Penny Wong, South Australian Labor Senator; Warren Mundine, Chair of the Indigenous Advisory Council; Jeff McMullen, Journalist and author; and Lally Katz, Playwright.

Panelists: Barnaby Joyce, Minister for Agriculture; Tony Burke, Labor frontbencher; Amanda Vanstone, Former Howard Government Minister; Vince Sorrenti, Comedian; and Rabia Siddique, Lawyer and Author Equal Justice.

Panelists: Christopher Pyne, Education Minister; Joel Fitzgibbon, Shadow Minister for Agriculture; Ray Martin, Journalist and author; Wendy Harmer, Editor in Chief, The Hoopla; and Judith Sloan, Economist and businesswoman.

Panelists: Peter Hitchens, Journalist and author; Germaine Greer, Feminist icon and provocateur; Hanna Rosin, Senior editor of The Atlantic; and Dan Savage, Sex Advice Author and Gay Activist.

Panelists: David Knox, Managing Director and CEO, Santos Ltd; Carol Schwartz, Chair of the Women’s Leadership Institute; John Symond, Founder, Aussie Home Loans; Elizabeth Proust, Chair of Nestle Australia; and Graham Bradley, Non-Executive Chair of HSBC Bank Australia.

Panelists: Shashi Tharoor, Diplomat and Minister of State for HR Development; Pallavi Sharda, Australian-born Bollywood star; Swapan Dasgupta, Senior Indian journalist and political commentator; Shoma Chaudhury, Managing Editor of news magazine Tehelka; Karan Thapar, Award winning TV journalist and Host of Devil’s Advocate and Stuart MacGill, Former Australian Cricketer.

Panelists: Yulia Supadmo, Indonesian Senior Journalist; Josh Frydenberg, Parliamentary Secretary to the Prime Minister; Chris Bowen, Shadow Treasurer; Kurt Campbell, Lowy Institute Distinguished International Fellow; Tara Moss, Author; and Julian Burnside, Barrister and Human Rights Advocate.