June 30 marks the 52nd anniversary of the assassination of Dr. Martin Luther King Jr.’s mother, Alberta Williams King. Most Americans are aware of the assassination of Dr. King; however, the murder of the woman who was affectionately called “Mama King” isn’t known by many Americans.I often lecture at public schools, government events, universities and churches. When I share with them the tragic assassination of the late Mrs. King, they are flabbergasted. On June 30, 1974, Mrs. King, a 69-year-old, was playing the organ at Ebenezer Baptist Church in Atlanta, Georgia. As she plays the organ, her husband, the Rev....