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

This week:  A federal judge refused to dismiss consumer claims brought by more than 30 state attorneys general against Meta, which owns Facebook and Instagram. Lawyers who got final approval last month of a $600 million class action settlement with Norfolk Southern want an objector lawyer to pay an $850,000 appeal bond. Find out who represents Carter's in a string of deceptive pricing lawsuits.