U.S. News & World Report - Four years after the housing bubble popped, the American real estate market has yet to launch a sustainable recovery. Although U.S. home prices have improved modestly since the spring of 2009--and certain regional markets have performed even better--sales and values will face renewed downward pressure later this year in the wake of the expiration of the federal home buyer tax credit. Indeed, some analysts expect the bloated inventory and sputtering demand to trigger a "double dip" housing recession, with prices possibly even slipping back below their April 2009 lows.More...