The Economics of Good and Evil 

Former economic advisor to President Vaclav Havel, and one of the ‘5 Hot Minds in Economics’, Tomáš Sedláček visits the RSA to investigate the ethics of economics.

This is a wonky subject, macroeconomics, but this presentation is pretty interesting and illuminating (if your into that sort of thing) 

( Full audio is here, video is only an excerpt http://www.thersa.org/events/audio-and-past-events/2011/?a=405635 )