Shares in banks on both sides of the Atlantic have stabilised somewhat after a week of turbulence that brought down one of the oldest and biggest banks in Europe, Credit Suisse. But trouble had been brewing at the Swiss bank for years and some felt it was only a matter of time before it ran out of road. But how did it come to this? Joining Joe to discuss further was John Murray a former Managing Director of CS and senior adviser to then CEO Tijean Thiam and a former senior financial regulator in the UK throughout the Great financial crisis.