Days after federal regulators stepped in to stop 23andMe Inc. from marketing its genetic testing kit, the company is being sued for allegedly misleading consumers. In a lawsuit filed Nov. 27 in U.S. District Court for Southern California, Lisa Casey of San Diego said the Mountain View company "falsely and misleadingly advertises" its saliva collection kit as providing health reports on more than 240 conditions and traits and other services "when there is no analytical or clinical validation" for…