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"Chicago Mayor Rahm Emanuel and 17 other U.S. mayors sent a letter to Congress suggesting people should not be allowed to buy sugary drinks with food stamps."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/US/2013/06/21/Mayors-say-food-stamps-shouldnt-be-used-to-purchase-soda/UPI-44011371832434/>