The worry is that any kind of conflict — perhaps a war started with nonnuclear forces, or a sudden missile launch, or a misunderstanding — might prompt the impulsive Mr. Trump to demand a nuclear strike.
The sudden launch of Russia's military operations in Syria late last month caught the United States and regional players by surprise.
He added that the unease about the Reverend has been compounded by his sudden launch into the center of mainstream politics and cable news media.
Around the same time, tens of thousands of students marched in Mexico City in a sudden revolt, launched just weeks before the election, against the constantly reported inevitability of a Peña Nieto victory.
Five months later, Lewis said, he "got fit, finally ate well and all of a sudden, boom, launched into the Eagles, got a cap and is going for a trial with Harlequins next week when they come over".
But then, all of a sudden, I launched into a speech about the apathy of some parents toward their children, how it frustrates me when people blamed tragic events like the Sandy Hook shootings on guns, and how society is really the problem.
And then I realized what was missing was the sudden launching away from the rim, which is the effect of the step-back.
"All of a sudden this thing launches," Mr. Guerinot said, "and myself and a lot of other managers and lawyers had never even been asked about it.
The most oft-asked question I heard was some variation of: "How come all of a sudden we have to launch a war against Saddam?
They hide patiently for hours, then launch a sudden attack with the strongest bite on the planet.
