Recommended:
"Why economic inequality leads to collapse" -
http://www.guardian.co.uk/business/2012/feb/05/inequality-leads-to-economic-collapse An OCCUPY founder, David Graeber, on "Debt: The First 5,000 Years" -
http://ttbook.org/book/david-graeber-debt-first-5000-years (Also, check out the rest of the "BEST OF OUR KNOWLEDGE" show!)
A series on DEMOCRACY:
http://www.ttbook.org/book/democracy-short-history-big-idea