Food & Drink

California tightens rules on popular pesticide for farmers

SAN FRANCISCO (AP) — California is tightening the strictest rules in the nation on a pesticide that is popular with farmers over new health concerns, officials said Friday. Farmers use chlorpyrifos (klor-PHIR-e-fos) to kill pests that attack a wide variety of crops like grapes, almonds and cotton grown in California, the nation's agricultural leader, as...