500 episodes have brought plenty of headlines, but some of “The HighWire’s” biggest victories have happened in court. Del sits down with ICAN lead attorney Aaron Siri to revisit the legal battles that exposed gaps in vaccine safety oversight, forced the release of millions of pages of records, restored religious exemptions, and challenged pharmaceutical advertising. Plus, Siri reveals the outcome of a long-running lawsuit over a whooping cough vaccine advertising campaign that targeted grandparents.

Airdate: October 29, 2026