Now that discussion of the London Whale has resurfaced due to the recent Senate hearings for JPMorgan Chase (JPM 1.03%) and the spotlight is shining again on the losses caused by the huge volume of high-risk investments, does this put the blame back on CEO Jamie Dimon? Should he have had better control of what was happening within his company at the time? In this video, Motley Fool financials analysts Matt Koppenheffer and David Hanson discuss just how accountable Dimon can be held for not putting a stop to a small contingent of bankers within the organization who were making risky decisions.