There isn't a chance, under those conditions that it will be called another Century of America. We were kids, but that memory is indelible. It did not simply mean our nation should take precedence. The purpose of that phrase was to advocate that we should ignore Hitler. During the Cold War, I saw, close hand, the magnificent work that Pat Buchanan accomplished in the administrations of Presidents Nixon and Reagan.
Nothing can take that away.
But former Presidents Nixon and Reagan didn't change their philosophy when the Cold War was over. It is Buchanan who has changed his philosophy. He should have no expectation that his old allies will join him in that. Those allies, including this one, cannot be expected to endorse ideas they fought against. Nor should they be expected to give up their political party that has been so idealistic and successful in world affairs.