Unmanned Aircraft Systems are displayed Tuesday, March 12, 2013 at the Border Security Expo in Phoenix. More than 180 companies are exhibiting their security products despite automatic

 

              Unmanned Aircraft Systems are displayed Tuesday, March 12, 2013 at the Border Security Expo in Phoenix. More than 180 companies are exhibiting their security products despite automatic
Unmanned Aircraft Systems are displayed Tuesday, March 12, 2013 at the Border Security Expo in Phoenix. More than 180 companies are exhibiting their security products despite automatic spending cuts that are affecting every federal government agency due to the government sequestration. (AP Photo/Matt York)