Additional Info: CATO Handbook for Policymakers, Chapter 41 http://www.cato.org/pubs/handbook/hb111/hb111-41.pdf
CATO Handbook for Policymakers, Chapter 42 http://www.cato.org/pubs/handbook/hb111/hb111-42.pdf
http://reason.com/topics/taxes
http://www.npri.org/publications/filter.20/policy_area.asp