Footnotes to history:
In 1964, Lyndon Johnson was seriously thinking of making amiable Mike Mansfield, majority leader of the Senate, his running mate instead of Hubert Humphrey. That way, the President reasoned, Humphrey could become majority leader, giving L.B.J. far more forceful Senate leadership and Humphrey a bigger reputation for an eventual presidential campaign of his own. It would also have spared Humphrey what was to become one of his most onerous burdens—his overly close association with an unpopular Administration. There were reports last week that Humphrey, too, had some unorthodox ideas...