Self-driving cars and robotaxis are starting to appear on the streets of San Francisco. While we have a whole regulatory system in place for drivers, who’s making sure these new cars are safe?Guest: David Zipper, Visiting Fellow at the Harvard Kennedy School's Taubman Center for State and Local GovernmentHost: Lizzie O’LearyIf you enjoy this show, please consider signing up for Slate Plus. Slate Plus members get benefits like zero ads on any Slate podcast, bonus episodes of shows like Slow Burn and Dear Prudence—and you’ll be supporting the work we do here on What Next TBD. Sign up now at slate.com/whatnextplus to help support our work. Learn more about your ad choices. Visit megaphone.fm/adchoices