Well, slapping Iran with sanctions could very likely prompt Mr. Ahmadinejad and company to cut oil production in retaliation. Once upon a time, a drop in production from one OPEC member could be absorbed by the rest of the cartel. But today's global oil market is so tight, there is little spare capacity left. Any drop in production from a supplier can quickly send the price of oil soaring. "There's no shock absorber left," says Gal Luft, executive director of the Institute for the Analysis of Global Security. "That leaves us with zero options when it comes to leverage against these oil producers. Why do you think Hugo Ch�vez is so emboldened? Why do you think Ahmadinejad is saying, 'Go ahead, make my day?' "