To simplify the issue enormously, but somewhat fairly, it’s fair to say that the current divide splitting Western foreign policy analysts at a time of increasing global tensions is whether they are realists, or idealists.
Realists believe the only thing that matters is power. Idealists, on the other hand, think that ideas matter too. While for realists, the Cold War was a power struggle, for idealists it was an ideological one. There is, of course, more to it than that, but these simplified categories provide a useful lens through which to analyse foreign policy.
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