After writing in the London Telegraph that Monday was "the worst day for U.S. and wider Western diplomacy since records began," former British ambassador Charles Crawford asked simply: "How has this happened?"

On the answer, opinions might differ. Or maybe not. A consensus assessment of the past week's events could easily form around Oliver Hardy's famous lament to the compulsive bumbler Stan Laurel: "Here's another nice mess you've gotten us into!"

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