Since the attack on the United States on September 11 2001, and the US retaliation in Afghanistan and Iraq, there must be few people who have not felt a twinge of nostalgia for the cold war.

There are about 15 million Muslims in the EU. They face ignorance, insult and even persecution. They cannot be wished away. To impose Enlightenment freedoms is self-defeating. Anyway, the Muslims have their own enlightenment.

The truth is, of course, that history is not completed in modern commerce any more than philosophy is perfected in political economy. In other words, there is nothing timeless or God-given about filling stations and penicillin and plastic bags.

By pouring money and goods into devastated regions, foreign aid workers sometimes compound the disruption and debauch the survivors.

Cause and effect, the riddle of all history, is a particular devil in financial history; and never more so than today, where entire classes of security are collapsing not on public exchanges and stock-tickers but because there are no markets to establish prices this side of nothing.

One of the consequences of the Iranian revolution has been an explosion of history. A country once known only from British consular reports and intrepid travelogues is now awash with historical documents, letters, diaries, grainy video, weblogs and secret police files of questionable authenticity.

When William the Conqueror commissioned a great survey of his English realm at Gloucester in 1085, the result was a work so thorough, fair, dispassionate, and wide-ranging that it seemed to the succeeding generations to have come from another world.