The U.S. did not enforce existing securities laws, so no one should have confidence that new Dodd-Frank rules will have any meaningful impact. The U.S. banking system seems to have captured its regulators, Congress and the Treasury.
That regulators condone the continued use of VAR models and get pushed around on tougher capital and liquidity limits can only mean one thing: they have concluded that it's simply too dangerous to the system to reveal that the emperor has no clothes.
If there is a single, important lesson we can take away from the JPMorgan fiasco, it's this: Old approaches are out, and automation is in. The old approach of controlling and analyzing a business via spreadsheet-driven tools and processes is over.