HHS Secretary Robert F. Kennedy Jr.’s father swept into Lawrence, Kansas, 57 years ago this month to give a campaign speech. It was just his third day as a 1968 presidential candidate, and he clearly was trying out themes for his challenge to President Lyndon B. Johnson, who was still a candidate for reelection.
Though still a very tentative work-in-progress as a contender for the White House, Kenn…