How The Wealth Gap Has Grown In The Last 20 Years. (Good Graphic)

Source: Professor G. William Domhoff

The above graph is excerpted from 15 Mind-Blowing Facts About Wealth And Inequality In America http://www.businessinsider.com/facts-about-inequality-in-america-2011-11?op=1#ixzz2aRitNRD9

"Politics and Economics: The 101 Courses You Wish You Had"
http://paxonbothhouses.blogspot.com/2012/01/politics-and-economics-101-curricula.html