Dear Forbes.com readers: This will turn out to be the worst financial crisis since the Great Depression and the worst U.S. recession in decades. I first said so in August and, since I wrote those words, financial and economic conditions have deteriorated further--and severely. Stock prices are sharply down and there is a risk of a market crack. Interbank and credit spreads are wider than ever since the beginning of this crisis, Lehman Brothers (nyse: LEH - news - people ) and Merrill Lynch (nyse: MER - news - people ) are gone, and soon enough Morgan Stanley (nyse: MS...