Need a review of basic grammar rules? These sites will help build your knowledge of grammar.
Chomp Chomp (Interactive grammar reviews)
Grammar Gold (very basic grammar rules)
Seraching Google for quality articles can be a daunting task. Here are a few articles that meet the 5 criteria for evaluating web resources.
These web sites offer a variety of insights to social inequality.
Congressional Research Service Report: The U.S. Income Distribution and Mobility: Trends and International Comparisons, November 2012
Congressional Research Service Report: Taxes and the Economy: An Economic Analysis of the Top Tax Rates Since 1945, September 2012
Congressional Research Service Report: Changes in the Distribution of Income Among Tax Filers Between 1996 and 2006 December 2011