Jeffrey Sachs delivers the first of five lectures, recorded at The Royal Society in London
Is the middle class in decline? The divide between a rich elite and those now clinging on.
Chris Anderson talks to the writer and thinker David Brooks on political healing.
Jeffrey Sachs delivers the fourth of five lectures. He considers the challenges of poverty
Emmanuel Macron is France's youngest-ever President. How did he rise so far so fast?
Steve Richards tells the inside story of the Lib Dems' turbulent years in government.
Jeffrey Sachs calls for a new Enlightenment to help make globalisation work for all.
One year into his presidency, can France's Emmanuel Macron succeed where others failed?
John Kampfner profiles Liberal Democrat leader Nick Clegg.
Mishal Hussein profiles Pakistani president Pervez Musharraf.
Sachs discusses China's emergence as an economic superpower and the effect on climate.
Jeffrey Sachs talks about the need for international cooperation to achieve peace.