Nomi Prins, the author of "Collusion: How Central Bankers Rigged the World," explores the triggers for the recent shifts in global central banking and for the increasing coordination among major economies. She highlights five regions and central banks that played integral roles in reshaping geopolitics. She also argues that the policies they implemented in the wake of the financial crisis have created cracks in the global economy. Filmed April 30, 2018 in New York.