<p>In a special edition of HARDtalk Stephen Sackur looks back at some of the guests who have risked their personal freedom to disclose secret information. What motivates these whistleblowers?</p><p>This is a bonus episode from HARDtalk, a show that brings you in-depth, hard-hitting interviews with newsworthy personalities. For more episodes search for HARDtalk wherever your get your BBC podcasts.</p>

Bonus: The Global Story - Divorce

A window into our world, through in-depth storytelling from the BBC. Investigating, reporting and uncovering true stories from everywhere. Award-winning journalism, unheard voices, amazing culture and global issues. From Trump’s new world order, to protests in Turkey, to the headphone revolution, The Documentary investigates major global stories.We delve into social media, take you into the minds of the world’s most creative people and explore personal approaches to spirituality. Every week, we also bring together people from around the globe to discuss how news stories are affecting their lives. A new episode most days, all year round. From our BBC World Service teams at: Assignment, Heart and Soul, In the Studio, OS Conversations, The Fifth Floor and Trending.