A man flattens an area of grass with his foot to support a bouquet of flowers beside at a National Historic landmark plaque at the base of the "Grassy Knoll" (R) at the site of the 1963 assassination ... more 
A man flattens an area of grass with his foot to support a bouquet of flowers beside at a National Historic landmark plaque at the base of the "Grassy Knoll" (R) at the site of the 1963 assassination of U.S. President John F. Kennedy one day before commemorations of the 50th anniversary of the assassination in Dallas November 21, 2013. Commemorations of the anniversary will be held Friday in Dallas, Washington and Boston. REUTERS/Jim Bourg (UNITED STATES - Tags: POLITICS ANNIVERSARY) less 
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Reuters | Photo By JIM BOURG / REUTERS
Thu, Nov 21, 2013 6:10 PM EST