If the US does, it will be the first time in human history that any foreign power has ever come close to controlling the place. Michael Yon has a worthwhile piece examining what is a critical question. Money quote:

It has become clear to me that we're losing this war. But losing doesn't mean lost.

And if you missed David Frum's dispatches, check them out again. Neither Yon nor Frum are reflexively anti-interventionist. Au contraire. But unlike many on the right, they are actually thinking.

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