Will the U.S. dollar remain the world’s dominant currency? Washington and Wall Street are worried about ‘de-dollarization’ threat.

“If we run bad fiscal and monetary policies, if we close ourselves off, if we do idiotic things like default on debt and cause confidence to be lost in America, or if we excessively and unilaterally use financial sanctions, the dollar could see its role more quickly diminish,” he (Mark Sobel) said during a recent appearance at the University of Wisconsin-Madison, video of which has been shared on the website of the school’s European Studies program.