ARMY FAMILY JOURNAL began Feb. 24 as one expectant mother's account of life as her husband shipped out to war. Since then, it has become a remarkable group experience, as Americans around the globe have sought emotional support as they share their experiences via e-mail. Since the U.S.-led assault on Iraq began on Wednesday, the responses have spiked, with letters coming in at some points at the rate of 300 per hour. The sentiments expressed by children, spouses, friends and neighbors are difficult to categorize. Many, but not all, approve of the war; most are supportive of the men and women in uniform. Some letters are angry, some are fearful...