As the economic wreckage piles dangerously higher, the Federal Reserve is prepared to ratchet down interest rates — perhaps to their lowest point in more than four years — with the hope of relieving some of the pain felt by many Americans. The convergence of a housing collapse and a lockup in lending has created the worst financial crisis in more than a half-century. Alan Greenspan, who ran the Fed for 18 1/2 years, called it a "once-in-a century credit tsunami," and conceded that he made mistakes that may have aggravated the economy's slump.

With a recession seen as inevitable, if not already under way, any Fed rate cut would be aimed at cushioning the fallout.

Vanishing jobs and shrinking paychecks have forced consumers to cut back sharply. Millions of ordinary Americans have watched their 401(k)s and other nest eggs shrink and the value of their homes drop, making them feel in even worse financial shape. In turn, businesses have cut back on hiring and other investments as customers hunker down and credit problems make it harder and more costly to get financing.