Many of these Biden associates have been pushing alternatives to Harris, such as Rep. Val Demings, D-Fla., Rep. Karen Bass, D-Calif., former U.S. ambassador Susan Rice, and Sen. Tammy Duckworth, D-Ill.

https://www.cnbc.com/amp/2020/07/29/biden-allies-move-to-stop-kamala-harris-from-becoming-vice-president.html