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British intelligence whistleblower - Katharine Gun
What makes a whistleblower?
Minister of Foreign Affairs, Turkey - Mevlüt Çavuşoğlu
Is Turkey creating further instability in Syria?
Sally Lane and John Letts, parents of Jack Letts
What will become - what should become - of Jack Letts?
Stephen Sackur speaks to Alfred Bosch, Catalan minister for foreign action.
Zohrab Mnatsakanyan - Minister of Foreign Affairs, Armenia
Stephen Sackur speaks to Zohrab Mnatsakanyan, Armenia’s foreign minister.
Former spy - Willie Carlin
What was it like to be a spy during the Troubles in Northern Ireland?
Former Olympic swimmer - Casey Legler
What does it take to emerge from the darkness?
Campaigner and businesswoman Gina Miller
How has Gina Miller, a non-politician, had such an impact on Britain’s politics?
Richard Haass - President, Council on Foreign Relations
Stephen Sackur interviews former senior US diplomat Richard Haass.
Hong Kong’s Secretary for Housing and Transport , 2012 – 2017 - Anthony Cheung
How long can Hong Kong protests go on without a major intervention from Beijing?
Esther Duflo - Nobel Prize-winning economist
Shaun Ley speaks to the Nobel Prize winning economist Esther Duflo.
Film director - Ken Loach
Can cinema change society?
Minister for Islamic Affairs in Malaysia -Mujahid Yusof Rawa
Are racial and religious divides threatening Malaysia’s stability and future prospects?
Investigative journalist - Ronan Farrow
How did a Hollywood insider break the story that took the shine off Tinseltown?
Author and explorer - Sir Ranulph Fiennes
What's Sir Ranulph Fiennes' motivation for a life of extreme adventure?
Christopher Ruddy: How much trouble is Donald Trump in?
Will the impeachment proceedings on Capitol Hill derail Donald Trump's presidency?
Mangaliso Ndlovu: Can Zimbabwe avert environmental disaster?
Zimbabwe is wrestling with economic crisis, endemic corruption and prolonged drought.
Liu Xiaoming: How will China respond to unrest in Hong Kong?
Is Chinese leader Xi Jinping facing the most serious challenge of his presidency?
Wendell Pierce: A tale of two Americas
Wendell Pierce starred as Detective Bunk Moreland in the American TV series The Wire
Stephen Sackur is on the road in Zimbabwe
How are Zimbabweans faring in the face of economic collapse and environmental crisis?
Behrouz Boochani: Six years as a marooned migrant
Behrouz Boochani is now a prize-winning author, but is his long-term fate any clearer?
Daniel Jones: The man who unveiled the CIA’s darkest secrets
Daniel Jones led a six-year investigation into the CIA's torture practices after 9/11
Megan Phelps-Roper: Leaving 'America's most obnoxious hate group'
A former Westboro Baptist Church member discusses leaving the group
Eliot Higgins: Searching for facts in a 'post-truth' world
Can complex truths be revealed using digital fragments from the worldwide web?
Aryana Sayeed: Afghanistan’s biggest pop star
She has braved death threats to campaign for women’s rights and artistic freedom