Why do we say sorry – and what do we really mean by it?
BBC World Service
Writer Julia Donaldson joins Richard Coles and Aasmah Mir.
BBC Radio 4
What is it like to live with the threat of Boko Haram and the Nigerian military?
The dilemmas faced by charities trying to help people in areas run by militant groups
Musician Ben Folds with Suzy Klein and Richard Coles; Chris Froome's Inheritance Tracks.
Why are we so drawn to symbols of statehood, and how can leaders use that loyalty?
Richard Coles and Suzy Klein join Tony Parsons to talk about boxing and writing.
How Iraqi insurgents use social media to amplify their message and gain global support
With novelist and screenwriter Helen Fielding and seventh Python Carol Cleveland.
The families who depend on Mt Everest for their livelihoods
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