SACRAMENTO - Armed with a new report showing big savings and backed by the Legislature's two leaders, a Democratic lawmaker announced plans Wednesday to reintroduce her bill to create a universal health care system that would cover all Californians. The study by the Lewin Group, a Virginia consulting firm, predicts the legislation would save California $343.6 billion in health care costs over the next 10 years, mainly by cutting administration and using bulk purchases of drugs and medical equipment. The study was paid for by Health Care for All - California, a nonprofit group that supports universal coverage. The bill's...