Russian President Vladimir Putin insisted last August that a drop in the importance of the U.S. dollar was "irreversible"—but there appears to be no sign that the global economy is turning its back on the greenback. "The U.S. Dollar was used in 48% of international payment transactions last year, the highest level in more than a decade. But Brics...," it said next to the graph, which showed the euro making 23.2 percent of transactions and the Chinese yuan way behind at 3.47 percent. "BRICS countries would like their currencies to be used in world trade, but each has a major...
