Herald Correspondent Lindsay Murdoch, travelling with a Marines artillery unit, reports on one of the war's first battles on the Iraq-Kuwait border. There was little initial resistance as the United States Marines swept into southern Iraq early yesterday. One of the first encounters of the ground war was more like a massacre than a fight. The Iraqi gunners fired first, soon after United States President George Bush announced the attack on Saddam Hussein was under way. It was a fatal mistake. The Iraqi artillery unit, preparing for the American invasion, had tested the range by firing registering shots at a...