Goldman Sachs last week announced it has agreed to a $5.1 billion settlement, the largest regulatory penalty in the firm’s history, concluding an investigation brought by the Residential MBS Working Group of the U.S. Financial Fraud Enforcement Task Force. The agreement in principle is poised to resolve actual and potential civil claims by the U.S. Department of Justice, the New York and Illinois attorneys general, the National Credit Union Administration (as conservator for several failed credit unions) and the Federal Home Loan Banks of Chicago and Seattle. At issue are...