Michael Hastings

The use of drones is rapidly transforming the way we go to war. On the battlefield, a squad leader can receive real-time data from a drone that enables him to view the landscape for miles in every direction, dramatically expanding the capabilities of what would normally have been a small and isolated unit.

There is not much of a bureaucratic leap, if history is any guide, between a seemingly benign call for 'continuous situational awareness' and the onset of a covert and illegal campaign of domestic surveillance.

If the death of Osama Bin Laden brings any peace to those who lost loved ones on that awful day in September 2001, that is a great thing. It is more likely, however, just a painful reminder of what was lost.