Did The Obama Administration Do ANY Homework Before Announcing The Volcker Rule?

``The Volcker rule could be far-reaching. But it is disturbing that the Obama administration announced it before they had done enough homework to tell us how it would work. And with respect for the one man of influence sticking up for true restraints on the banks, I’d urge Volcker not to minimize the difficulty of the task until he founds out more of what’s really going on''