In 1964, Hubert Humphrey was not the only Minnesotan Lyndon Johnson was seriously considering as his running mate. The junior Senator, Eugene McCarthy, was also, Johnson observed fondly, "the kind of man who will go to the well with you." Humphrey, of course, won No. 2 place at the well, but Johnson's regard for McCarthyand vice versawas apparent. Last week, with little residue of that regard left on either side, McCarthy began his own campaign for the presidency as the Democratic peace candidate.
Speaking on campuses in four statesat Minnesota's Macalester College (where Humphrey once taught), Harvard, and the...