Perspective: Escalation or surge -- it's all in the meaning

(CNN) -- Politicians know it's unwise to bring a knife to a gunfight, which is why they're choosing weapons carefully in the war of words over President Bush's new Iraq plan.

Bush's proposal to quell insurgent attacks and sectarian violence in Iraq by adding 21,500 U.S. troops to the war is so controversial that members of Congress can't agree on what to call it.

The Republican arsenal of words includes "surge" and "augmentation," while Democrats pull their triggers with terms such as "escalation." Meanwhile, the war planners at the Pentagon use a word of their own: "plus-up."

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