An enraged mob attacked four American contractors here today, shooting them to death, burning their vehicles, dragging their bodies through the downtown streets and then hanging the charred corpses from a bridge over the Euphrates River. A State Department spokesman, Lou Fintor, confirming the nationalities today, said neither the names of the victims nor the name of the company for which they worked would be immediately released. Meanwhile, less than 15 miles away, in the same area of the increasingly violent Sunni Triangle, five marines were killed in one of the deadliest roadside bomb incidents for coalition troops in weeks. The marines were traveling through a dusty village along a supply route when the explosion ripped into their vehicles. Full Story