Jacob Applebaum, of reported Wikileaks and TOR fame or notoriety and advocacy of open development, gave a hell of an address about the surveillance state and "preference-based utilitarianism" at a CCC conference last winter, that cannot be recommended too strongly:
At the same conference, noted and notorious whistleblowers Jesselyn Radack, Thomas Drake, and William Binney serially narrate their ordeals and ideals after exposing secret government power, Enemies of the State:
Hmm. This one seems to be the official YouTube posting for the event from CCCen, promising an entire additional hour, which begins circa 1:23:00 with panel responses to audience questions and comments, which could easily fill that span.