That world is a world of ideas, a world of ideologies.
But the news of a shift in the murky world of IRA ideology may be more significant.
"Abraham Lincoln: Redeemer President" is not only about Lincoln and religion; it is also an effort to treat him as "a man of ideas," to set him back in the world of Whig ideology and political thinkers like Jeremy Bentham and John Stuart Mill, the world of anguished seekers like Emily Dickinson and Herman Melville.
By the end of the First World War, the struggle between liberalism, the old order and the new protest movements had metamorphosed to devastating effects into a three-way world war of ideologies between liberal democracy and right-wing and left-wing collectivism.
It's been twisted into this, like, New World Order kind of ideology where everyone is Scottish.
The whole thing is very puzzling, and perhaps proves only that in a world of rapdily shifting ideologies there is no one quite so out of place as a dated traitor.
In fact, the violence we face today, though influenced by factors reaching back centuries, began in the 1960s and 1970s when, as part of a broader religious resurgence in the Muslim world, the ideology of Islamism surged from the margins towards the mainstream.
But alongside the collectors, who are no doubt greening the world, the ideology of the equally high-minded declutterers is still going strong.
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"In other words, you found that your view of the world, your ideology, was not right, it was not working," Mr. Waxman said.
"You found that your view of the world, your ideology was not right, it was not working?" said California congressman Henry A Waxman, the committee chairman.
