Former Vice President Joe Biden on Sunday responded to allegations that he acted inappropriately when he kissed the back of a former Nevada Democratic assemblywoman's head at a campaign event in 2014, saying his behavior has been affectionate but never unseemly. This episode: White House correspondent Tamara Keith, political reporter Danielle Kurtzleben, and national political correspondent Mara Liasson. Email the show at [email protected]. Find and support your local public radio station at npr.org/stations.