http://motherjones.com/politics/2011/02/income-inequality-in-america-chart-graph
http://www.project-syndicate.org/commentary/delong118/English
http://www.project-syndicate.org/commentary/bhagwati17/English
http://arstechnica.com/tech-policy/news/2011/09/study-patent-trolls-have-cost-innovators-half-a-trillion-bucks.ars