COMMERCIAL IMAGE - Norman Reedus, Sarah Wayne Callies and Andrew Lincoln attend "AMC's The Walking Dead" Autograph Signing and Panel on Friday July 13, 2012, in San Diego. (Photo by John ... more 
COMMERCIAL IMAGE - Norman Reedus, Sarah Wayne Callies and Andrew Lincoln attend "AMC's The Walking Dead" Autograph Signing and Panel on Friday July 13, 2012, in San Diego. (Photo by John Shearer/Invision for AMC/AP Images) less 
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Associated Press
Fri, Jul 13, 2012 5:29 PM EDT