"This side of the Soviet-Nazi pact," says Mr. Buckley in his introduction, "nothing has cost the Communist movement in the world more than the defection of Sidney Hook." A glorious hour with a man who, at age 85, had spent much of the century in the ideological trenches. SH: "We know there is no transference of training from one field to another. Picasso was a great painter, but his views on politics were absurd. Ezra Pound was a great poet, but he was a rabid anti-Semite who should have been hanged." ... "Most people confuse the term relative with relational. See, truth is relational, not relative. I'm always suspicious of someone who tells me truth is relative, even when it's Pascal."