The following lectures by Philip Zimbardo, Jacob Appelbaum, Jesselyn Radack, Thomas Andrews Drake, and William Binney are well worth the time. They provide an excellent summery of what ails our society, as it relates to atrocities and privacy.
Journey From the Psychology of Evil to the Psychology of Heroism
Jacob Appelbaum 29C3 Keynote: Not My Department
29C3 Panel: Jesselyn Radack, Thomas Drake, William Binney on whistleblowing and surveillance
Q&A at: Enemies of the State [29C3]