On Jan. 23, U.S. Department of Housing and Urban Development Secretary Shaun L.S. Donovan met in Chicago with several Democratic state attorneys general (AGs) in an attempt to strong-arm them into signing up for an administration-backed agreement to settle the “robo-signing” scandal. Wall Street would pay what sounds like a large fine ($25 billion), and in exchange, the state AGs would relieve the bankers of all legal liabilities related to the fraudulent mortgage-lending practices that led directly to the 2008 financial meltdown and a 30 percent drop in U.S. home prices. The fraudulent practices of the mortgage servicers have injected...