Basic Information About Gun

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Joe Palazzolo and Carl Bialik, Lack of Data Slows Studies of Gun Control and Crime' One analysid of 11 types of law found 'insufficient evidence' in every single case. Wall Street Journal, Dec 21, 2012
http://live.wsj.com/article/SB10 ... 91531343495520.html

My comment: No need to read the text. View the graphic only which gives a snapshot of guns in US.