Is Iraq in Civil War?

An unchastened insurgency sowed devastation across Iraq Wednesday as experts here said the country is either on the verge of civil war or already in the middle of it.

....With security experts reporting that no major road in the country was safe to travel, some Iraq specialists speculated that the Sunni insurgency was effectively encircling the capital and trying to cut it off from the north, south and west, where there are entrenched Sunni communities. East of Baghdad is a mostly unpopulated desert bordering on Iran....

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Experts: Iraq verges on civil war