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"It's not oil, it's currency. sleep well."
It's about their desire to reduce the buying power of the US dollar by demanding all buyers pay in Euros dollars.
And this is but one small portion of the world's trade.
If all nations that export oil/gas along with OPEC decided to switch to Euro dollars as their means of payment then it would be a different story.
And countries, as well as the private sector who purchase oil/gas must use US dollars as their main means of payment for Iranian oil, tell Iran they will not go along with the deal then Iran is in a deep hole.
What I do see is their using it as a carrot/bribe to convince the Eurpoean nations to not side with the US as far as economical sanctions go.
Will the Russians, Chinese, South and Central Americans, Canada, exporting European nations (oil), Far East, Pacific Rim countries (all who export oil) go along with the Iranian wish to not accept US dollars in oil sales.
Iran can only push this stupidity so far. And surely growing numbers of the core Mullahs in Iran are becoming quite disenchanted with the policy changes of a few.
I do believe Mahmoud Ahmadinaejah and his promoters are going to find themselves out on the streets begging in the near future.
Along with his purging of old school Mullahs and other things like his demand to restructure where Iran keeps it's holdings etc., with of course his immediate master's approvals, he must be seen as a threat to the majority of Iranian of influence that do not go along with his mystical visions.
I believe we shall see him get the boot in the near future.