Barely two weeks after President Kennedy's assassination, Louisiana Democrats held their gubernatorial primary. The leader, by a thumping 140,000 votes, was about the closest thing in Louisiana to a real New Frontiersman: former New Orleans Mayor de-Lesseps S. ("Chep") Morrison, a racial moderate, a Catholic, and a global-minded fellow who, as U.S. Ambassador to the Organization of American States, had been a working member of the Kennedy team.
Morrison did not get a majority in the primary, which put him into a runoff with Louisiana Public Service Commissioner John J. McKeithen. Even though Morrison had twice before run unsuccessfully for...