Martin Luther King III takes part in a march to the National Civil Rights Museum on Thursday, April 4, 2013, in Memphis, Tenn. Labor groups marched to call for better conditions on the 45th ... more 
Martin Luther King III takes part in a march to the National Civil Rights Museum on Thursday, April 4, 2013, in Memphis, Tenn. Labor groups marched to call for better conditions on the 45th anniversary of the killing of King's father, Dr. Martin Luther King Jr., who as assassinated April 4, 1968, while he was in Memphis to support striking sanitation workers. (AP Photo/Mark Humphrey) less 
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Associated Press | Photo By Mark Humphrey
Thu, Apr 4, 2013 2:57 PM EDT