The number of Californians with Alzheimer's disease will nearly double to 1.1 million by 2030, according to a new report from the Alzheimer's Association. Already the sixth leading cause of death in the state, the report said, now California baby boomers age 55 and older, those of all race and ethnic groups and from every region, have a one-in-eight lifetime risk of developing the fatal disease. And that's just in California …