Democrats have warned a Crockett victory in Tuesday's primary could rule out a general election triumph. Former Vice President Kamala Harris endorsed Rep. Jasmine Crockett in Texas’ Democratic Senate primary on Friday, recording a robocall backing a candidate many in the party think would doom them to a loss in the November election. “Texas has the chance to send a fighter like Jasmine Crockett to the United States Senate,” Harris says in the call, which was first reported by The Texas Tribune .