The Saudi's don't need no stinking dollars, they're worthless. The BRICS nations are going to trade gold for oil. Turn out the light, the party's over.
While I agree with you about US dollars, the Saudis do need the US military to protect their oil fields. Russia a competitor in oil and ally of Iran will not protect the gulf states oil fields. China is the only BRIC nation that might be willing and able to replace the US. It’s military is capable and it’s economy is large enough to support a petro-yuan type deal. Obama and to a lessor extent Bush have made a mess of the middle east and the US economy. The slow train wreck continues.