As the US becomes a second-place nation, can it shed the superpower nostalgia that still haunts the UK? The debate over the US's fading hegemony has raged and sputtered for 50 years, glutting the market with prophecies about American decline. Media experts ask how fast we will fall and how much we will lose, but generally ignore the fundamental question: What does decline mean? What is the significance, in experiential and everyday terms, in feelings and fantasies, of living in a country past its prime? Drawing on the example of post-WWII Britain and looking ahead at 2020s America, Jed Esty suggests that becoming a second-place nation is neither disastrous, as alarmists claim, nor avoidable, as optimists insist. Contemporary declinism often masks white nostalgia and perpetuates a conservative longing for Cold War certainty. But the narcissistic lure of "lost greatness" appeals across the political spectrum. As Esty argues, it resonates so widely in mainstream media because Americans...