Put yourself in Saddam Hussein's boots. What are his options now? There was a global sigh of relief when President George W. Bush went to the United Nations last week and said he would seek a Security Council resolution before attacking Iraq: all his allies had feared that he would do it unilaterally and in defiance of international law.
But what he wants is a Security Council resolution making so many demands that Saddam is almost bound to reject it, and they all know it. Such is his determination that even Saddam's offer to readmit UN arms inspectors to Iraq has been dismissed as a tactical ploy.
The Bush Administration's goal is a "regime change" in Iraq; the other big powers have just decided that a veneer of legality must be laid over what the United States was going to do anyway.
The day of his speech, however, Mr Bush stated the reality plainly: "We're talking days and weeks, not months and years. I am highly doubtful that [Saddam] will meet our demands."
Going through the UN doesn't derail or even delay the Bush Administration's determination to overthrow Saddam. It merely legalises it, in return for a tip of Washington's hat towards the principles of international law. And the war could come very quickly.
An American attack is unlikely before the US congressional elections in November, and Mr Bush would not want to plunge the US back into recession by launching a December attack that sends oil prices soaring and kills the great pre-Christmas retail binge.
The smart money is still on a January war that ends before the heat gets too great in April, like Bush the Elder's Desert Storm offensive 12 years ago. But the soldiers can be ready much sooner.
If the US decides to strike directly at Iraq's urban centres using light, air-mobile forces (the so-called Outside-In option), it could happen within two weeks of the decision being made: 30,000 of the 50,000 American troops required are in the region.
Even the "heavy" option, with up to a quarter of a million American and British troops launching an invasion across the borders of Kuwait, Turkey and possibly Jordan, could start in mid-November if the orders were given today.
So what does Saddam do now? He has been told repeatedly by the Bush Administration that the US wants to overthrow him - in practice, to kill him - no matter what he does, so he has little incentive to behave cautiously.
He also has a well-established reputation for being a strategic gambler of near-lunatic boldness: consider the attack on Iran in 1980 or the invasion of Kuwait in 1990. We should therefore expect the unexpected.
The orthodox strategy for Iraq, given American air superiority, would be to leave only poorly trained conscripts on the frontiers and pull the better troops back into the built-up areas.
There they will be in the right place to suppress any revolts, and if American forces plunge into the cities after them, the street-fighting would cause huge Iraqi civilian casualties (good for anti-US propaganda), and perhaps quite heavy American casualties, too.
That was Saddam's strategy in 1991, and it saved him then: American forces stopped once Kuwait was liberated.
But Bush No. 1 had Arab coalition partners to keep happy, and a plan for a comprehensive Middle Eastern peace and a keen awareness that the American public would not tolerate many American casualties.
Bush No. 2 has no Arab allies willing to contribute troops anyway, no peace plan, and a clear belief that the American armed forces have invented a way to win wars without significant casualties (though that belief has yet to be tested in urban warfare).
Saddam can play the "cities" strategy and hope that mounting American casualties or uprisings in the wider Arab world will end the war before American forces find his bunker, but he could easily be dead before that happens.
As a fall-back strategy it makes sense, but the political situation in the Arab world creates opportunities he did not have in 1991 when most Arab leaders were furious at him for seizing Kuwait.
Nowadays Arab public opinion is inflamed by daily television images of Palestinians dying under the guns of the Israeli occupation forces and sees the Bush Administration as wholly in Israel's pocket. So there is a potential for changing the subject that simply wasn't there 12 years ago.
Saddam almost certainly still has a few Scud-B missiles hidden away. They are 60-years-old technology and he probably has no "weapons of mass destruction" to put on them, but they'll reach Israel if he fires them from the westernmost part of Iraq, bordering Jordan.
They would do little damage, but Israel would retaliate mightily - and then the whole strategic context changes.
It's no longer just Saddam versus the US but a full-blown regional crisis that offers a cunning leader like Saddam all sorts of possibilities.
If he can get Israeli Prime Minister Ariel Sharon to attack Iraq before the American offensive starts - it would only be from the air since Iraq and Israel have no common land border - then no Arab government could let American forces use its territory to join in the attack.
Mr Sharon, who has his own strategic goals, is just itching for a pretext to hit Iraq, and all Saddam needs to justify launching his Scuds is enough Palestinians killed by Israeli forces in one day.
We should watch out for an October or November surprise.
* Gwynne Dyer is a London-based independent journalist.
Further reading
Feature: War with Iraq
Iraq links and resources
<i>Gwynne Dyer:</i> Smart money rests on January war
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