Dodd-Frank and Volcker Rule - Focused on Wrong Problem?

The public comment period for the final design of the Volcker Rule is underway.  While already a hot button issue, this comment period has allowed some to reset their position that the rule's intent is looking to solve the wrong problem.  Here's a good read from the WSJ on whether Volker should be looking to restrict long term prop trading as opposed to short term.  

In the same thread, The Economist provides their overview on the future of the Dodd-Frank legislation.