Homeland Security May Give Up on Virtual Border Fence

The Bush Administration started building a high-tech fence along the Mexican borders to monitor traffic in drugs and human beings. But Mother Nature has helped to defeat technology. After spending more than a billion dollars on cameras, radar and vibration sensors along the US-Mexican border, the Department of Homeland Security has decided not to exercise Boeing's one-year option to continue its work on the project. Brian Bennett reports from Washington for the Tribune Company.