This little variation may not be quite considerable yet it is delivering out some messages. Recently Iranian government stated publicly a breakthrough on producing Uranium with concentration of 20% or more. It should warn all the NATO countries to some extent that since they prohibited every route they can imagine to prevent Iran from developing nuclear technology, Iran's progress has never halted. The western countries cut its smuggle of uranium from Argentina, kept the secret of high-speed centrifuger and banned all the potential exports of raw material of building nuclear facilities. They did everything they can to stop Iran but none of these worked. This kind of accomplishment could add confident to Iran so that it might furtherly shutdown oil supplies to more western countries. And since America and the EU find difficult to block Iran, is it possible that another Gulf War is under the table? We still remember that Iraq, a decade ago, was under siege for exactly the same reason--nuclear. Will the destiny of Saddam pass onto Ahmadinejad?