In just four years, Wall Street got away with weakening a part of the Dodd-Frank financial reform law, which became law in 2010 to protect the financial system from the excesses that led to the financial crisis in 2008. Wall Street bankers and their lobbyists accomplished their feat by luring members of Congress into a formidable conflict of interest, which I submit could have been obviated.
The full essay is in Essays on the Financial Crisis, available at Amazon.