CNN hosted the second Democratic presidential debates, which was split into two nights because the sheer number of candidates running. In the second night, former Vice President Joe Biden was front and center as candidates spent most of the time attacking his proposed policies and track record. This episode: White House correspondent Tamara Keith, political correspondent Asma Khalid, political reporter Danielle Kurtzleben, and political editor Domenico Montanaro. Email the show at nprpolitics@npr.org. Find and support your local public radio station at npr.org/stations.