As the Islamic warriors of ISIS rolled down the road from Mosul, John McCain was an echo of French Premier Paul Reynaud, when word reached Paris that Rommel had broken through in the Ardennes:
"We are now facing an existential threat to the security of the United States of America," said McCain.
But nothing that happens in Mesopotamia is going to threaten the existence of the United States. As for the terrorist threat from ISIS, for us it is neither greater nor less than it was a week ago.
The existential threat here is to Iraq. Its survival as one nation is now in question, with the possibility it could be torn apart in a civil and sectarian war. But this is preeminently Iraq's problem, not ours.
And if Prime Minister Nouri al-Maliki, his 900,000-man army, and Shia militia cannot defend Baghdad from a few thousand Islamist warriors, America is under no obligation to do it for them.
Maliki told us to go home three years ago. We did. And before we plunge back into that misbegotten war, let us consider what the real threats are -- to America.
The Islamic State of Iraq and Syria consists of fanatics who seek to carve a caliphate out of territory they now control from Aleppo in Syria to 60 miles north of Baghdad.
Yet they have halted before Baghdad. And among the reasons is that Iraq's Shia majority is not going to allow Sunni zealots to capture their cities, smash their shrines, and murder their fellow Shia.
They will fight, as the Iraqi army did not.
Secondly, ISIS has as allies in the north and west of Iraq Sunnis who detest Maliki and wish to be rid of him. But these Sunni are not demanding a Taliban regime to abolish smoking and drinking. Nor are they fighting to cut off the heads of their Shia countrymen.
If ISIS goes beyond the liberation of the Sunni triangle to trying to take over all of Iraq, they will lose many Sunni allies and find themselves facing Iraq's Shia majority, backed up by Iranian forces, virtually alone.
But while the Iraqi army and Shia militia may well hold Baghdad, it is hard to see how Maliki can soon reconquer the Sunni provinces. For the Sunnis want no part of him or his regime.
Nor does Maliki seem capable of taking back Kirkuk, which the Kurds seized in the chaos as a step toward independence.
What should America do? Take a hard look at our entire Middle East policy.
Consider. We are now providing weapons to the Free Syrian Army to oust Bashar Assad. "Assad must go!" blared Barack Obama in one of his many ignored ultimata.
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