Welcome to Law.com Class Actions: Critical Mass, Law.com’s weekly briefing for class action and mass tort attorneys. I’m Amanda Bronstad. A judge on Monday ordered Johnson & Johnson in contempt of court after its witness failed to appear during a talcum powder trial. A revised $26 billion global settlement to resolve the opioid crisis is dependent on who participates – and who doesn’t. Who did Philips North America retain to represent it in lawsuits over its recalled breathing machines?