In his third bid for the presidency, former Vice President Joe Biden has long been considered a 2020 Democratic frontrunner. But recent polls show him losing ground to Sens. Bernie Sanders and Elizabeth Warren -- especially in Iowa. Judy Woodruff joined Biden on the campaign trail to discuss the impeachment inquiry, primary poll numbers, his age, the U.S. economy, health care and more.
Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG
Find more from PBS NewsHour at https://www.pbs.org/newshour
PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts