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Gallup Poll (Public Opinion)
http://www.gallup.com/home.aspx
Center for American Progress
https://www.americanprogress.org/
Pew Research Center
American Fact Finder
https://factfinder.census.gov/faces/nav/jsf/pages/index.xhtml
US Government Open Data
US Government Statistics
https://www.usa.gov/statistics
US Equal Employment Opportunity Commission - Statistics
https://www1.eeoc.gov/eeoc/statistics/index.cfm
US Bureau of Justice Statistics