cnet-declan writes "Unmanned aerial vehicles (UAVs) have been flying over Iraq and Afghanistan, but now the Bush administration wants to use them for domestic surveillance. A top Homeland Security official told Congress today, according to this CNET News.com article, that: "We need additional technology to supplement manned aircraft surveillance and current ground assets to ensure more effective monitoring of United States territory." One county in North Carolina is already using UAVs to monitor public gatherings. But what happens when lots of relatively dumb drones have to share airspace with aircraft carrying passengers? A pilot's association is worried."