An excellent 25 minute overview of the growing use of drones and robots in warfare from the Fault Lines series on Al Jazeera (broadcast on 27/12/11)
The programme examines how the use of unmanned systems has developed over the past decade, looks at the legality of their use as well as ethical issues. Containing interviews with Pete Singer, Philip Alston and Ron Arkin, this is really the best thing on drones we have seen in a long time. Highly recommended.
For more details see Fault Lines website