A former trader for Royal Bank of Scotland Group has claimed that the bank's internal checks were so lax that anyone could change Libor rates. More than a dozen banks, including RBS, are under investigation by regulators in the US, Europe and Asia for suspected rigging of the London interbank offered rate (Libor), which is used to price trillions of dollars of financial products. Barclays was fined £290m in June by US and UK regulators for its role in trying to manipulate the price of the interest rates, which affect the cost of borrowing for millions of customers around the world. Court documents filed in Singapore ... (full story)