Welcome to Law.com Class Actions: Critical Mass, a weekly briefing for class action and mass tort attorneys.

Happy Thanksgiving! This week: Jurors in the first California trial over Zantac ended up stuck 6-6 on a question on the verdict form. At a Tuesday hearing, a judge in Johnson & Johnson's talc bankruptcy refused to entertain sanctions against Beasley Allen’s Andy Birchfield. Find out who represents Visa in nearly half a dozen antitrust class actions.