By Patrick Worsnip #imag1 UNITED NATIONS – The United Nations warned on Wednesday of a possible crisis of confidence in, and even a “collapse” of, the U.S. dollar if its value against other currencies continued to decline. In a mid-year review of the world economy, the UN economic division said such a development, stemming from the falling value of foreign dollar holdings, would imperil the global financial system. The report, an update of the UN “World Economic Situation and Prospects 2011” report first issued in December, noted that the dollar exchange rate against a basket of other key currencies had…
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