Pretty amazing article from 1967 (sound familiar?), "Who's going to be the lesser-evil in 1968?"

http://isreview.org/issues/32/draper.shtml

by HAL DRAPER

...The lib-labs would then swoon, crying "The fascists are coming!" and vote for the Lesser Evil. In these last two decades, the Democrats have learned well that they have the lib-lab vote in their back pocket, and that therefore the forces to be appeased are those forces to the right. The lib-labs were kept happy enough if Hubert Humphrey showed up at a banquet to make his liberal speeches; or, before that, by the Kennedy myth which bemused them even while the first leader on this planet poised his finger over the nuclear-war button and said "Or else!" With the lib-lab votes in a pocket, politics in this country had to move steadily right-right-right-until even a Lyndon Johnson could look like a Lesser Evil. This is essentially why–even when there reall y is a Lesser Evil–making the Lesser Evil choice undercuts any possibility of really fighting the Right.