What's the point of a cartel that can't control prices?

Since OPEC moved up the date of its Vienna meeting and dialed up rhetoric about sharp cuts in oil production, prices for the OPEC basket of crude oil have actually fallen 11%. And if the prevailing wisdom explaining why crude prices are weaker is true, actual cuts by OPEC�which will become effective in December�probably won't do much to shore up oil prices much, either.

Look...