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

This week: Lawyers in the latest Roundup trial hurled accusations against one another of "trial misconduct" and improper comments to the jury. Lawyers for Marriott data breach victims defended a judge's rare class certification order before the Fourth Circuit. Despite her concerns about a bloated leadership team, a federal judge appointed 22 lawyers to spearhead addiction lawsuits against social media sites, including Facebook and TikTok.

I'm Amanda Bronstad. Feel free to reach out to me with your input. My email is [email protected], or follow me on Twitter: @abronstadlaw.