2004 Will Be the U.S.'S Best Year Economically in Last 20 Years, The Conference Board Reports in a Revised Forecast Thursday December 11, 11:01 am ET NEW YORK, Dec. 11 /PRNewswire/ -- Revising its year-end economic forecast sharply upward, The Conference Board today projected that real GDP growth will hit 5.7% next year, making 2004 the best year economically in the last 20 years. The forecast, by Conference Board Chief Economist Gail Fosler, expects worker productivity, which set a 20-year record in the third quarter, to rise at a healthy 3.6% next year. That would follow a gain of 4.3%...