Anatomy of an Air Attack Gone Wrong. This article how in the past the Yemen president has taken responsibility for US attacks that killed civilians. A nice way to keep the collateral damage figures low...
Drones are fool's gold: they prolong wars we can't win.
Dronestagram – the website exposing the US's secret drone war
Drones in our time: An article that focuses on the more theoretical questions. It has some useful links too.
'Signature Strikes' and the President's Empty Rhetoric on Drones