- Todd Henneman: Bush's exit from "Today" serves as a lesson about how our small choices may have big consequences.
- Budding research hints at the potential of bystander intervention in situations like these, writes Henneman.
Todd Henneman teaches journalism and media ethics at California State University, Long Beach, and developed a bystander-intervention curriculum at the University of Southern California. The views expressed in this commentary are his own.
(CNN)The most powerful man on the "Access Hollywood" bus wasn't Donald Trump. It was Billy Bush.