This June 6, 2008 image provided by General Motors shows an illustration of all-around collision warning in a driverless vehicle. The possibility of driverless cars are leaving a growi

 

              This June 6, 2008 image provided by General Motors shows an illustration  of all-around collision warning in a driverless vehicle. The possibility of driverless cars are leaving a growi
This June 6, 2008 image provided by General Motors shows an illustration of all-around collision warning in a driverless vehicle. The possibility of driverless cars are leaving a growing number of technologists and economists to wonder what happens to the millions of people who make a living driving cars and trucks. (AP Photo/General Motors)