Gary Gensler, chairman of the US Commodities Futures Trading Commission - the body responsible for the lion's share of the fine issued to Barclays bank for Libor manipulation - says the public should not be left at risk of unregulated bodies like the British Bankers Association, the organisation charged with overseeing such rate setting. He talks to Kara Scannell, US regulatory correspondent, about the investigation and the future of global financial  regulation.Courtesy-FinancialTimesVideos