This Week's World

Globally, 60 million people are now displaced by wars, more than at any time since World War 2. This programme is for those who wonder how to fix the broken international humanitarian system. We report from the world's biggest refugee camp and Emily Maitlis speaks one on one to the leaders who now promise new solutions - like World Bank President Jim Yong Kim and International Rescue Committee President David Miliband.

Eight years after the economic crash, the world economy is still stagnating. This is not how it was meant to be. Politicians around the world have been promising that an era of prosperity for all would return. Former US treasury secretary Larry Summers explains how he believes things may never improve, and the show asks why growth has disappeared. One theory is that we're not having as many babies as we need to.

With much of the Middle East in violent conflict, This Week's World explores whether radical Islamist ideology can be confronted using ideas. Former British prime minister and Middle East peace envoy Tony Blair speaks to Emily Maitlis about new ideas to face down so-called Islamic State and the ideas behind it. We review these ideas with Muslim thinkers and former jihadis and report from Iraq, exploring the consequences of western policy and the rise of extremism.

The African National Congress, the 'party of Nelson Mandela', is in crisis after corruption allegations against its leader and South Africa's president Jacob Zuma. At the same time, protest movements have grown up around the country, often led by young people fighting against symbols of the racist past and questioning the direction the Rainbow Nation is headed. In This Week's World, we report on the 'born free' generation across South Africa and Emily Maitlis interviews ANC treasurer General Zweli Mkhize and other leading political figures from the country. We also feature an interview with Amartya Sen, the Nobel Prize-winning economist, reflecting on poverty and national identity in his native India and elsewhere.

The oil-rich kingdom of Saudi Arabia is one of the west's staunchest allies in the Middle East, but some now fear that is a problem, producing instability and the rise of extremism. On This Week's World, Emily Maitlis hears from senior western leaders who criticise Saudi and want the west to pull back. We also speak to Saudi leaders themselves, who are pushing through a programme of reforms, and report on the ground to look at how free ordinary Saudis are.