Mealey's (April 10, 2024, 3:05 PM EDT) -- SACRAMENTO, Calif. — The Ninth Circuit U.S. Court of Appeals heard oral arguments over whether allegations of a decades-long advertising campaign about the safety and purity of talcum powder sufficiently specifies the advertising in question and saves a California unfair competition law (UCL) class action alleging that in reality the products contained asbestos and other contaminants....