Name: Biden lead shrinks, Harris and Warren rise, Sanders falls to fourth in post-debate poll
Uploaded: Tue Jul 02 2019 21:38:25 GMT+0000 (UTC)
Duration: 3 min
Description: Kamala Harris climbs 13 points in the post-debate Quinnipiac poll. Steve Kornacki takes a close look inside the numbers.

July 2, 201903:00