The alternative perspective goes  that the question is what NATO must do, that atrocities are a challenge rather than a verdict, and that NATO should persevere precisely because they continue.
NATO will not last if they do not preserve.
mnli hypothesis: NATO will not last if they do not preserve. premise: The alternative perspective goes  that the question is what NATO must do, that atrocities are a challenge rather than a verdict, and that NATO should persevere precisely because they continue.