A worker preparing for the 50th anniversary commemoration of the assassination of President John F. Kennedy pauses to look out over the infamous wooden picket fence at the top of the "Grassy Knoll" in... more 
A worker preparing for the 50th anniversary commemoration of the assassination of President John F. Kennedy pauses to look out over the infamous wooden picket fence at the top of the "Grassy Knoll" in Dealey Plaza down towards a crowd of conspiracy theorists chanting and protesting on the spot where the president was shot as people gather at the site in Dallas, November 21, 2013. REUTERS/Jim Bourg less 
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Reuters | Photo By JIM BOURG / Reuters
Fri, Nov 22, 2013 7:16 AM EST