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"The cast of &amp;quot;Glee&amp;quot; was tight-lipped about its upcoming fourth season at a Comic-Con fan panel in San Diego."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Entertainment_News/TV/2012/07/15/Glee-tight-lipped-on-fourth-season/UPI-85501342363162/>