The Business Of Bartering CBS Evening News: The Recession Has Forced Many Cash-Strapped Americans To Resurrect A Depression-Era Tradition <a href="http://www.cbsnews.com/stories/2008/12/31/eveningnews/main4694711.shtml" target="_blank">http://www.cbsnews.com/stories/2008/12/31/eveningnews/main4694711.shtml</a>