FILE - In this April 2, 1968 file photo U.S. Sen. Robert F. Kennedy, D-NY, shakes hands with people in a crowd while campaigning for the Democratic party's presidential nomination on a street corner, in Philadelphia. Friends and family of U.S. Sen. Robert F. Kennedy will host a memorial service at Arlington National Cemetery on June 6, 2018, to honor him on the 50th anniversary of his assassination. (AP Photo/Warren Winterbottom, File)
Larry Tye, author of “Bobby Kennedy: The Making of a Liberal Icon” speaks to the change he underwent in his political stance and personal views once he starting traveling the world, his ability to build bridges between races, generations, and political foes, his talent for reading what the country needed at the time of his political run, and how did the assassination of his brother John affect him personally: