James Cromwell

It seems like the perfect solution to a ballooning crime rate - filling the skies with flying robotic droids that can prevent murders before they take place. However, nobody told these "Watchbirds" that all life depends on a formula of carefully balanced killing. Robert Sheckley's renowned story examines one of the most important questions of our time - is it wise to sacrifice our liberty in the name of our security? Join host Professor Stephen Hawking...