CAMP PENDLETON ---- As local Marines prepare this fall for a possible war in Iraq, combat units at Camp Pendleton are planning two top changes in leadership. Lt. Gen. Michael W. Hagee will give up command of the 45,000-member I Marine Expeditionary Force sometime this fall to become the Marine Corps' Commandant. The Camp Pendleton-based command ---- the most powerful among Marine Corps units on the West Coast ---- is one of three expeditionary forces that provide ground combat, air and support forces to regional military commanders around the world. Last week, the Senate confirmed Hagee, 57, for promotion and...