premise: Congress has passed the Sarbanes-Oxley legislation which included establishment of the Public Company Accounting Oversight Board (PCAOB), tougher independence standards for auditors of public companies, and independent funding sources for the PCAOB and the FASB; the SEC has taken a number of regulatory and enforcement actions and made initial appointments to the PCAOB; various U.S.
hypothesis: Congress has passed the Sarbanes-Oxley legislation