Remember that for Shiites, Najaf and Kerbala are like Rome for Catholics. See the holiest sites of Shiite Islam
To lose our own young soldiers doing liberating policework doesn't sit well with me.
And, I refuse to compare the Iraqis that are killing our boys to the American Colonials picking off British troops in the Revolutionary War.
We went over there to GIVE them their f#!@ing independence.
IF they are not civilized enough to appreciate it, then screw them.