Sam Tanenhaus is a columnist and the U.S. Writer at Large for the British monthly Prospect. Previously, he was the editor of The New York Times Book Review and the editor of "The Week in Review" section. Tanenhaus has also worked at The New York Times as the assistant editor of the Op-Ed pages, and he has written for the Book Review and the Op-Ed page, as well as "Arts & Ideas," the "Week in Review" and The Times Magazine. He has also been contributing editor for Vanity Fair, where he wrote feature articles on politics and culture. Tanenhaus's writings have appeared in many major publications, with his most recent essays appearing in Esquire, The New Yorker, Vanity Fair, and the New York Times Book Review. He is the author of The Death of Conservatism and Whittaker Chambers: A Biography, which won the Los Angeles Times and was a finalist for both the National Book Award for Nonfiction and the Pulitzer Prize for Biography.