Gun laws have been back in the media recently due, largely, to the horrific events at Sandy Hook Elementary School on December 14, 2012 which claimed the lives of 20 children and six adults. In response President Obama has just unveiled gun control proposals.
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Citation
Birtchnell, T. & Gorkin III, R. (2013). A violent debate: could guns be made at home by 3D printers?. The Conversation, 18 January 1-4.