Desperate Battle Defines Congo's Warlike Peace At the southern extreme of a ragged front line that winds 1,400 miles across Congo lies a ferry, dirty pink and half-submerged in the muddy Luvua River. Facing it on a gravel ramp stand the burned-out husks of 33 military vehicles -- armored personnel carriers, trucks, an ambulance -- waiting in a line that never moved forward. Unopened syringes lie underfoot, amid charred tires and a trampled note that a fleeing Congolese junior officer left behind:"Attaque," reads the neat cursive French.But by the time Rwandan forces approached Pweto on Dec. 3, the Congolese government army was in no position to attack. It was in panicked retreat, leaving a tableau of ruin on the riverbank and opening a rare window on a war usually fought out of sight.In two months of back-and-forth fighting here in the southeastern corner of Congo, all the elements that make this country's 21/2-year-old war such a dangerous puzzle came into play: foreign armies, ethnic militia groups, remote terrain and villages utterly emptied of civilians who, from the safety of refugee camps in a neighboring country, repeat matter-of-fact accounts of massacres. This is the "situation on the ground" that has kept the U.N. Security Council from dispatching 5,500 peacekeepers to monitor a cease-fire that appears to exist only on paper.This lightly populated, mostly forested stretch between Lake Tanganyika and Lake Mweru had been one of the few corners of Congo where both sides had essentially honored a peace agreement signed 18 months ago. The Lusaka Accord, named for the Zambian capital where it was signed, was meant to arrest the cycle of advance and retreat that has marked a sprawling conflict that pits the Congolese army and allied troops from Angola, Zimbabwe and Namibia against an assortment of rebel forces bolstered by Rwandan and Ugandan troops.But Congolese President Laurent Kabila, who signed the Lusaka pact in a momen...