The Endorsement Primary
Political website fivethirtyeight.com is keeping track of the number of endorsements that each of the Democratic primary candidates are receiving.
FiveThirtyEight used a points system scaled 10 to 1, with 10 points awarded for endorsements from former presidents or vice presidents as well as current national party leaders, 8 points for governors, 6 for U.S. Senators, and lower scores for less notable figures.
In data updated on Sunday, the site had Senators Booker and Harris tied in the lead with 55 points each.
Behind them were Senator Amy Klobuchar of Minnesota with 44 points, Sanders with 20 points, Biden with 18 points, and Warren with 17 points.