Christian Rebels Wage a War of Terror in Uganda
Lord's Resistance Army, Ugandan rebel group, has stepped up violent campaign to overthrow Pres Yoweri Museveni, who vowed year ago to wipe rebels out; rebels' war consists mainly of killing civilians, sowing terror in countryside and making it appear to Ugandans and outside world that central Government cannot control nation; rebels have killed at least 400 people in districts of Kitgum and Gulu since Jan; Western diplomats say rebels have little popular support and survive mostly on charity of Sudan, where their leader Joseph Kony holds court; map; photo (M)
