Members of the class of 2011 are seen during commencement at Princeton 

Members of the class of 2011 are seen during commencement at Princeton University, Tuesday, May 31, 2011, in Princeton, N.J. The former home run record-holder Baseball Hall of Famer Hank Aaron was awarded an honorary doctorate of humanities for making America a better place with his "imperishable example of grace under pressure." (AP Photo/Mel Evans)
Associated Press
Members of the class of 2011 are seen during commencement at Princeton University, Tuesday, May 31, 2011, in Princeton, N.J. The former home run record-holder Baseball Hall of Famer Hank Aaron was awarded an honorary doctorate of humanities for making America a better place with his "imperishable example of grace under pressure."
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