Jeremy England's lecture at Karolinska Institutet: A New Theory of Evolutionary Adaptation.Sal Khan on the CPI
Why inflation during the housing bubble was really much higher than most people thought, with possible sinister implications.Bill Moyers Howard Zinn Lecture
Bill Moyers gives a lecture at BU about the Plutocracy.Khan Academy
All the Sal Khan videos.MIT Open Courseware
Lots of high-content lectures.