Rich Morin. Rising Share of Americans See Confl ict Between Rich and Poor // Pew Research Center. 2012. Jan. 11. http://pewrsr.ch/1NVNw69.
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Jacob Hacker and Paul Pierson. Winner-Take-All Politics: How Washington Made the Rich Richer – And Turned Its Back on the Middle Class. N.Y.: Simon & Schuster, 2010.
