Is America's economy finally set to shake off its funk? An increasing number of economists on Wall Street and politicians in Washington seem to think so. Many number-crunchers are forecasting a sharp acceleration of economic growth in the summer. John Snow, America's treasury secretary, suggested this week that the economy could be growing by around 4% by the end of 2003, more than double its current rate. After so many false dawns, is this optimismjustified?
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