After 50 years of sprawl, suburbanites gravitate toward cities
                                
                                
                                    (Newser) -
                                    Changes in lifestyles, economic conditions, and demographics are leading to a reversal in urban flight, The Wall Street Journal reports. Four-dollar-a-gallon gasoline and the subprime crisis have driven many to cities from suburbs, where commutes are longer and houses have lost the most value. Boomers are simplifying their lives with...