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"U.S. Vice President Joe Biden, speaking in Philadelphia Monday, said &amp;quot;rational gun safety&amp;quot; must be applied in big cities and small towns across the country."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/US/2013/02/12/Biden-Rational-gun-safety-is-a-must/UPI-90501360652400/?rel=36361362299400>