Read external link, before reading this article. It will help understanding what I mean. Now, there can be no doubt that were Russia to go ahead and price oil in Euros, instead of Dollars, that would be a huge blow for the U.S. It could possible be the start of a wave of countries (perhaps even some of the larger OPEC countries) making the same move. If a growing number of nations start keeping their currency reserves in Euros instead of in Dollars, the U.S. has no choice but to start ta...