According to a US Senate report, HSBC Holdings Plc has a pervasively polluted culture that allowed the bank to act as financier to clients looking for a way to route shady funds from the world’s most dangerous regions, such as Mexico, the Cayman Islands, Iran, Syria, and Saudi Arabia. The British bank’s problems have been known for almost a decade and the Senate investigation detailed the vastness of the problems have been. According to the US Senate report, the Office of the Comptroller of the...