As new details emerge about the shooting on the “Rust” movie set that killed cinematographer Halyna Hutchins and injured director Joel Souza, we talk to reporter Sonia Rao about how Hollywood is rethinking firearms on sets. Read more:In the days since Alec Baldwin fired a prop gun on the set of the movie “Rust,” killing cinematographer Halyna Hutchins and injuring director Joel Souza, many of us have been asking the question — how could this have happened?“How was it that this actor was seemingly handed a gun that had the potential to kill someone on a movie set? ” asked pop culture reporter Sonia Rao.Today on the show, we cover the latest on the investigation, and talk about the conversation this tragedy has started in Hollywood about the safety of real guns on sets. If you value the journalism you hear in this podcast, please subscribe to The Washington Post. We have a deal for our listeners: one year of unlimited access to everything The Post publishes online for just $29. To sign up, go to washingtonpost.com/subscribe.