Stadium workers use metal detectors wand fans as the they arrive for the baseball game between the Pittsburgh Pirates and the San Francisco Giants on Tuesday, June 11, 2013, in Pittsburgh. (AP ... more 
Stadium workers use metal detectors wand fans as the they arrive for the baseball game between the Pittsburgh Pirates and the San Francisco Giants on Tuesday, June 11, 2013, in Pittsburgh. (AP Photo/Keith Srakocic) less 
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Associated Press | Photo By Keith Srakocic
Tue, Jun 11, 2013 10:28 PM EDT