A running cliché of the political left and the press corps these days is that our current financial problems all flow from Congress's 1999 decision to repeal the Glass-Steagall Act of 1933 that separated commercial and investment banking. Barack Obama has been selling this line every day. Bill Clinton signed that "deregulation" bill into law, and he knows better.

In BusinessWeek.com, Maria Bartiromo reports that she asked the former President last week whether he regretted signing that legislation. Mr. Clinton's reply:...