ORONO — Democratic vice-presidential candidate John Edwards used his first campaign visit to Maine on Wednesday to criticize President Bush's record while calling for changes both at home and abroad. Edwards, the running mate of presidential nominee John Kerry, told an audience at the University of Maine that the situation in Iraq has created domestic problems. He accused Bush of spending billions on health care and education in Iraq while neglecting the same issues at home. "So many things that are important in the lives of the American people are not taking place, but (the United States is spending) $200...