Pat Buchanan

Impending today are two of the most critical decisions Barack Obama will ever make, which may determine the fate of his presidency, as well as the future of the United States in the Near and Middle East.

The first is whether to approve Gen. Stanley McChrystal's request for thousands more U.S. troops he says he needs to prevent "mission failure" -- i.e, to stave off a U.S. defeat in Afghanistan.

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The second is whether Obama will start up the road of "crippling sanctions" to war with Iran, to prevent Tehran from moving closer to a capacity to produce nuclear weapons.

If Obama approves McChrystal's request, what will it buy him? Rising costs and casualties, deepening division in his party and his war-weary country, but no light at the end of a seemingly endless tunnel.

Indeed, it seems certain that 45,000 new U.S. troops would be but a down payment on an army of hundreds of thousands, for the years that it would take to build an Afghan army that can defend the government and people against a Taliban embedded in a Pashtun tribe that is half the population. And the odds that our Afghan allies would survive when we left would be no greater than the odds our Cambodian and Vietnamese allies would survive our departure in 1973.

Yet if Obama rejects McChrystal's request, he risks resignations by generals and Republican savagery for lacking the moxie of Mr. Bush, when he doubled down in Iraq, named Gen. David Petraeus commander and agreed to a surge of 30,000 troops, which prevented a defeat the Baker Commission had all but predicted in 2006.

Obama is facing an awful choice.

Committing 45,000 more troops to Afghanistan will not assure victory, McChrystal is telling the president, but denying him the 45,000 troops may ensure an American defeat.

Being forced to make this Hobbesean choice will surely affect Obama's decision on Iran. Seeing what a decade of war has done to his country, he cannot want a third war with a nation more populous than Iraq and Afghanistan combined.

Yet that is where the sanctions regime is inevitably headed.

The dilemma: The regime, backed by the Iranian people, is not going to give up its treaty rights to nuclear power, or the ability to generate it from yellow cake to enriched uranium. However, the knowledge and capability Iran gains from its investment in nuclear power will bring it to the edge of the red zone -- the ability to "break out" and, perhaps in a matter of months, produce the highly enriched uranium that is the core of atom bombs.

Pat Buchanan

Pat Buchanan is a founding editor of The American Conservative magazine, and the author of many books including State of Emergency: The Third World Invasion and Conquest of America .
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