Those of us who experienced Vietnam firsthand are perhaps too quick to shout quagmire at the first sign of a war going awry. Iraq is not Vietnam. Comparing the two may offer a useful device for discomfiting the Bush administration, but it provides little in terms of policy analysis.
So forget Vietnam. Instead, listen to what today's military leaders, innocent of personal involvement in that earlier war, have to say. Gen. John Abizaid, the theater commander, has forthrightly categorized the situation in Iraq as a "classical guerrilla-type campaign." Lt. Gen. Ricardo Sanchez, commander of U.S. forces actually fighting that war, tells us that resistance is increasing and that the enemy is becoming progressively more sophisticated.
What is implied by this assessment? Guerrilla wars tend to be protracted, as this one almost certainly will be. They also tend to be ugly, politically complex and morally ambiguous -- qualities on display daily in Baghdad and the Sunni Triangle. Guerrilla wars consume resources at a prodigious rate. Moreover, they do not play to the strong suit of either American soldiers, who are impatient to finish the job and go home, or the American people, who are impatient, period.
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http://www.washingtonpost.com/wp-dyn/articles/A11048-2003Oct10.html