Oil, War and Geopolitics: The Global Struggle Over Disappearing Petroleum.
Michael Klare, Five Colleges professor of peace and world security studies
http://uc.princeton.edu/main/index.php?option=com_content&task=view&id=1499&Itemid=1 I was thinking that this was another one of those "Sleeping-pill-Alternative" podcast but this guy has kept me awake till the wee hours of the morning.
He gives a good illustration of the urgency for oil alternatives by describing the growing problems that we have over oil extraction and distribution.
The Q & A is also interesting as he gives a good reality check on prospective energy alternatives.
He leaves out the topic of Ecology but comes out with a very good case on why the US needs "the man who invented the Internet( :) )" as candidate for the next presidential elections.