COLUMN-Demographics will drive the "new normal" economy By: Reuters: Company News September 30, 2013 at 18:25 PM EDT CHICAGO, Sept 30 (Reuters) - One of the most difficult terms to understand in long-term investing nowadays is "new normal." Read More >> Related Stocks: Allstate Corp Aon Plc Cisco Systems Gilead Sciences Google, Inc. Healthcare ETF Vanguard Integral Vision Inc Johnson & Johnson Microsoft Prudential Financial S&P Insurance ETF SPDR TECHNOLOGY UnitedHealth Group