Enron and On and On January 1, 2002 Dear Investor: The collapse of Enron is no doubt a cautionary tale. But of which caution? To read Gretchen Morgenson’s recent piece in the New York Times would strand readers with the conclusion that no amount of caution could protect against buying Enron. The reality is that Enron-like mistakes will go on and on. But not because the red flags aren’t there; only because most investors are too lazy to look for...