Michael Rosen examines words and phrases in public debate to see how they influence us.
Sue MacGregor reunites five people involved in the British handover of Hong Kong in 1997.
Sovereignty - what is it? How old is it? What colour is it?
Barrister Harry Potter on John Stuart Mill's ideas about individual freedom and the state.
Neil MacGregor on ruling with a mandate from the gods - from the UK to Benin to China.
Historian Diarmaid Ferriter explores the Irish civil war, the Free State and neutrality.
Melvyn Bragg and guests discuss the history of the idea of sovereignty.
Return of the series that explains what is really at stake with Brexit.
Melvyn Bragg discusses the idea that kingly authority derives from God.
Combative, provocative and engaging debate chaired by Michael Buerk.
Melvyn Bragg and guests discuss the Social Contract; a key idea in political philosophy.
How the US see the transfer of sovereignty of Hong Kong back to China.
Rory Sutherland explores how businesses play on our susceptibility to signs of commitment
Criminologist David Wilson looks at Thomas Hobbes and his 'social contract' theory.
John Keegan explores the evolving relationship between war and the nation state.