Former Vice President Joe Biden unveiled an expansive criminal justice platform today just one week before the second presidential debates. CNN Political Director David Chalian discusses Biden's history on the issue, his new plan and the criticism he faces on criminal justice from fellow 2020 contenders Sen. Cory Booker and Sen. Kamala Harris.

To learn more about how CNN protects listener privacy, visit cnn.com/privacy

Learn more about your ad choices. Visit podcastchoices.com/adchoices