American drivers may be cheering falling oil prices�crude fell to $75 today�but OPEC has the blues. Can it change its tune next month in Vienna?

Throttle back (AP) The oil cartel is really worried that the global economy is tanking and taking demand for oil with it. Today, in its monthly report, OPEC again slashed its forecast of global oil demand growth for 2009. It also said that demand for OPEC crude would fall sharply, by about 900,000 barrels a day next year.

At...