Welcome to Law.com Class Actions: Critical Mass, Law.com’s weekly briefing for class action and mass tort attorneys. I’m Amanda Bronstad. COVID-19 case counts notwithstanding, mass tort trials have resumed in cases involving talcum powder, Risperdal, hernia mesh and earplugs. Judges in multidistrict litigation are paying attention to diversity on leadership committees – and how its members get compensated. Find out who represents plumbing manufacturer Uponor in class actions over its allegedly defective polyethylene tubing.