SACRAMENTO, Calif. -- California became the first state Thursday to ban weeding by hand on most farms, saying the work is too backbreaking for laborers. Under a rule approved by the California Occupational Safety and Health Division, farmworkers, in most cases, will not have to stoop to pull weeds, but will instead be given long-handled tools that will allow them to work without bending over. The rule takes effect within two weeks. The regulation aims to prevent the "real and substantial risk of back injury" caused by stooping to weed or thin plants by hand, Cal-OSHA said. The workplace-safety agency...