On Columbus Day 2011, The New York Times observed that the regulations known as the Volcker rule, “intended to limit trading when the bank's money is at risk, a sweet spot for banks, is seen as a centerpiece of the sprawling financial overhaul of the Dodd-Frank Act of 2010. In anticipation, the nation's biggest banks, like Goldman Sachs and Bank of America, have already shut down their stand-alone proprietary trading desks.”[1] Even so, the long and tortuous route by which any regulation is written was leaving its own mark in the sense that promising loopholes were finding their way into the rule. In other words, the regulated would have a disproportionate influence on the writing of the regulations. This conflict of interest is dangerous from the standpoint of not being vulnerable to another financial crisis in which the greed on Wall Street knows no bounds.
The full essay is at "Regulating Wall Street after a Financial Crisis."