In this issue: COMMENT "Rough Forecasts", by Elizabeth Kolbert: Climate-change advice. THE POLITICAL SCENE "Crossing Christie", by Ryan Lizza: Will the Governor’s political style be his undoing? THE ANCIENT WORLD "Deep Frieze", by Daniel Mendelsohn: The mystery of the Parthenon. THE THEATRE "Free Man of Color", by Hilton Als: Broadway’s revival of A Raisin in the Sun. THE CURRENT CINEMA "After Darkness", by Anthony Lane: Reviews of Only Lovers Left Alive and Joe.