Democratic presidential rivals chase Joe Biden ahead of debate

Name: Democratic presidential rivals chase Joe Biden ahead of debate
Uploaded: 2019-09-11T22:59:36Z
Duration: 2 min 18 s
Description: Frontrunner Joe Biden still leads in the polls but Elizabeth Warren has narrowed the gap; Peter Doocy reports from Houston.

Frontrunner Joe Biden still leads in the polls but Elizabeth Warren has narrowed the gap; Peter Doocy reports from Houston.