AD FACT PRESIDENT BUSH: "I'm optimistic about America because I believe in the people of America." VOICE OVER: "After recession, 9-11 and war, now our economy has been growing for ten straight months."BACKGROUND Over The Last Four Quarters The U.S. Economy Has Witnessed Its Fastest Growth In 20 Years. "U.S. economy grew a touch faster in the first quarter than first thought as businesses scrambled to restock depleted shelves ... U.S. gross domestic product -- which measures total output within the nation's borders -- expanded at an upwardly revised 4.4 percent annual rate, the Commerce Department said. ... A...