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ECB's Chief: Dollar-Euro Moves Unwelcome &lt;p&gt;&lt;/p&gt;&lt;p&gt; RIO DE JANEIRO, Brazil (Reuters) - The recent surge in theeuro currency is unwelcome and the U.S. Treasury's commitmentto a strong dollar is important, European Central BankPresident Jean-Claude Trichet said on Friday.&lt;/p&gt; 