On Sunday Extra this week, Australian Murray Hunter detained in Thailand, Syria's first post-Assad election, Australians cutting down on sugar and how to repatriate looted artefacts. 

Plus the Tweet of the Week, Background Briefing and Lab Notes.

Sunday Extra presents a mix of national and international affairs, analysis and investigation.

Chief Justice of Papua New Guinea, Sir Gibuma Gibbs Salika on 50 years of independence and the shaping of a legal system that respects the traditional culture of PNG. YouTuber Gary Stevenson was once Citibank's highest earning trader, but now he is on a campaign to tackle economic inequality. Dr Daniel Heller and Dr Farid Zaid from Monash University on how to have Brave Conversations. And on The Year That Made Me Lou Oppenheim on the unusual journey from a degree in engineering and computational linguistics to Executive Director of the Sydney Dance Company.

As Papua New Guinea prepares for the 50th Anniversary of independence, Maholopa Laveil, economist at ANU's Crawford School of Public Policy, reflects on the economic boom and bust of an independent PNG. Journalist Surendra Phuyal on the latest from Kathmandu after a week of violence in the Nepalese capital. Author Jack Toohey on his manifesto for political, social, and cultural progress, challenging systems and re-imagining a just future. And on the Year That Made Me, Senior Protection Adviser for the UN’s ProCap organisation, Paul White, on the realities of living in Kabul, Afghanistan.

Sunday Extra presents a mix of national and international affairs, analysis and investigation.

Should the right to hunt be enshrined in legislation? This is the debate currently taking place in NSW parliament, as part of a proposed private members bill seeking to amend the Game and Feral Animal Legislation. Stephen Bendle, convenor of the Australian Gun Safety Alliance explains what these changes could mean, if passed. Seongmin Kim shares the revolutionary work of Flashdrives For Freedom, undermining the propaganda of the North Korean regime with South Korean soap operas. Journalist Ariel Bogle shares her research into sovereign citizens and other conspiracy theories for her new book Conspiracy Nation. And on The Year That Made me, NASA climate scientist, Kate Marvel talks about the emotional highs and lows of being on the frontline of climate change campaigning.

Sunday Extra presents a mix of national and international affairs, analysis and investigation.

Sunday Extra presents a mix of national and international affairs, analysis and investigation.

Kenneth Roth, former head of Human Rights Watch on 30 years spent on the front lines of human rights advocacy and dealing with some of history's most notorious authoritarian regimes. The global history of the bagpipes that starts far from Scotland.  Fiona David, CEO of Fair Futures, on who should take responsibility for the slavery used in manufacturing many of the goods Australia imports? And on The Year That Made Me - Bret McKenzie, one half of New Zealand super group Flight of the Conchords.

Have you noticed that a lot of tobacco shops are opening in your neighbourhood? We try to find out why. We mark the 80th anniversary of the bombing of Hiroshima, and the 25th Garma Festival. Self confessed design nerd Tim Ross reminds us about some of the distinctly Australian inventions.