Meta Is Back on Trial in California

A.M. Edition for Aug. 18. Opening arguments are set to begin today in a hugely consequential trial accusing Meta of contributing to a crisis in youth mental health and which could cost the social media giant more than $1 trillion. WSJ reporters Meghan Bobrowsky and Erin Mulvaney preview what to expect as proceedings get underway. Plus, retail giant Costco prepares to enter the Medicare market. And minerals companies lean into red, white and blue branding in a bid to score U.S. federal funding. Luke Vargas hosts.