From Iowa to Texas: How 2020 Democratic candidates are faring

As former Vice President Joe Biden decides whether to make another bid for the White House, Democratic presidential candidates are appealing to voters at the South by Southwest Festival in Texas. PBS NewsHour White House Correspondent Yamiche Alcindor and Politico Senior Writer and “Playbook” co-author Jake Sherman talk about that, and what a new poll from Iowa could tell us about the field.March 11, 2019