Retired boxing champion Muhammad Ali waves after receiving the Liberty Medal during a ceremony at the National Constitution Center, Thursday, Sept. 13, 2012, in Philadelphia. The honor is given ... more 
Retired boxing champion Muhammad Ali waves after receiving the Liberty Medal during a ceremony at the National Constitution Center, Thursday, Sept. 13, 2012, in Philadelphia. The honor is given annually to an individual who displays courage and conviction while striving to secure liberty for people worldwide. (AP Photo/Matt Slocum) less 
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Associated Press | Photo By Matt Slocum
Thu, Sep 13, 2012 10:34 PM EDT