Since it arrived last summer, I have been reading, on and off, mostly in the evenings, The Free World: Art and Thought in the Cold War, by Louis Menand. It is a stupendous work, 18 chapters about criticism and performance, engagingly written and crammed with vivid detail. Most of it was new to me, since, while I am always interested in Thought, I don’t much follow the Arts. The book, in short, is readable, a 740- page article as from a fancy magazine. But then, Menand is a New Yorker staff writer, as well as a professor of English at…