Baroness Minouche Shafik: What do we owe each other?

The idea of a social contract between the individual and the state is a staple of political philosophy. But what happens when that contract is threatened by forces beyond the control of any government, like a climate crisis or, right now, a global pandemic? Stephen Sackur speaks to Baroness Minouche Shafik, director of the London School of Economics and former top official at the World Bank. Is humanity capable of collective action to meet global challenges?