M etaphors for the troubled trans-Atlantic relationship abound. It’s a marriage, a divorce, or perhaps a parent and child navigating a soon-to-be empty nest. All are trying to get at the same thing: The trans-Atlantic dynamic is morphing into something new. Yet even as it has become increasingly clear that we are not returning to the post-Cold War status quo, too much of the debate around Europe continues to focus on how to limit the transition and fretting about worst-case scenarios. It’s true