Warren Buffett proclaims optimism for America's financial future

Warren Buffett, the billionaire investor renowned for his preternatural optimism for America and its citizens' well-being, on Thursday encouraged those worried about the economic prospects for themselves and their children to shed their fears.In an essay for the Jan. 15 issue of Time magazine, the chairman of the insurance and investment company Berkshire Hathaway Inctried to allay concerns that innovation and improved productivity might cost jobs and disrupt lives.Saying the U.S. "game of econo