In truth, trade matters much more than just talk, which is why a highly-indebted America finds itself on the back foot all the time in every financial skirmish with China. Saudi Arabia has little option but to kow-tow to China, and its commercial interests are moving it into China’s camp anyway. It seems logical that the Saudi riyal will eventually be de-pegged from the U.S. dollar and managed in line with a basket of its oil customers’ currencies, dominated by the yuan.