American Pendulum: Recurring Debates in U.S. Grand Strategy

As new presidential administrations come into power, they each bring their own approach to foreign policy. No grand strategy, however, is going to be completely novel. New administrations never start with a blank slate, so it is always possible to see similarities between an administration and its predecessors. Conversely, since each administration faces novel problems and operates in a unique context, no foreign policy strategy is going to be an exact replica of its predecessors.

In America...