WOODLAND, Calif.—A labor shortage is worsening in one of the nation’s fastest-growing occupations—taking care of the elderly and disabled—just as baby boomers head into old age. Nursing homes and operators of agencies providing home-care services already are straining to find enough so-called direct-care workers, who help the elderly or disabled with such things as eating and bathing. They also face looming retirements in the current workforce, in which one-fifth of […]