The Free World: Art and Thought in the Cold War, is Luke Menand\u2019s fourth book. His last, The Metaphysical Club: A Story of Ideas in America, won the 2002 Pulitzer Prize for history. Menand is a professor of English at Harvard, and a staff writer forThe New Yorker magazine\nLearn more about your ad choices. Visit megaphone.fm/adchoices