U.S. Sen. Robert F. Kennedy, left, shook hands with supporters on Feb. 13, 1968, after arriving at Blue Grass Field for a two-day tour of impoverished areas in Eastern Kentucky. Kentucky U.S. senator John Sherman Cooper, center, met Kennedy at the airport. Less than four months later, on June 5, Kennedy was assassinated a day after winning the California primary in his campaign for president. Published in the Lexington Leader. His son, Robert F. Kennedy Jr., spoke about ‘green capitalism’ at Transylvania University Jan. 14, 2015.