The private-sector watchdog established by Congress to examine auditing firms recently found a number of mortgage-related issues with two major auditors. The Public Company Accounting Oversight Board raised concerns about the mortgage-repurchase reserves that KPMG signed off on and about fair value measurements allowed by Grant Thornton. The PCAOB reviewed 52 audits completed by KPMG in 2011 and found that the auditor failed to sufficiently test a mortgage-backed security issuer’s ...