The eternal flame burns as Japanese tourists bow their heads and pay their respects at the grave of President John F. Kennedy at Arlington National Cemetery in Washington November 18, 2013. This ... more 
The eternal flame burns as Japanese tourists bow their heads and pay their respects at the grave of President John F. Kennedy at Arlington National Cemetery in Washington November 18, 2013. This Friday, November 22, marks the 50th anniversary of Kennedy's assassination . REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS ANNIVERSARY) less 
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Reuters | Photo By KEVIN LAMARQUE / REUTERS
Mon, Nov 18, 2013 10:13 AM EST