Last modified Thursday, February 12, 2004 11:06 PM PST Civil affairs Marines to be out front in Iraq By: DARRIN MORTENSON - Staff Writer CAMP PENDLETON ---- Of the 25,000 Marines slated to take over for the Army in western Iraq next month, one tightknit group of about 150 reservists has a particularly heavy burden to bear. Members of Camp Pendleton's 3rd Civil Affairs group say they will spread out among Marine units to act as a buffer between Iraqi civilians and the regular troops doing the dirty work of killing and capturing guerrillas. Their main job will be...