Sarbanes-Oxley was a hastly conceived and enacted law which was rushed through without adequate discussion, and is causing problems that the haste did not forsee. That is not to say that SOX is all bad, there has been some good results from it, but parts of it have caused problems.
Professor Bainbridge in his blog discusses pending challenges to SOX, including a claim that the Public Company Accounting Oversight Board (PCAOB) is unconstitutional.
