An endorsement from Swift would inject energy into a campaign desperate to keep up the momentum.
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- Taylor Swift hasn't endorsed Kamala Harris, but many Democrats are eager for her support.
- Harris' campaign is careful about how much to embrace star power, but Swift has a unique appeal.
- Swift appeals to a wide variety of Americans and has a demonstrated mobilize voters.
Sparkly, beaded Taylor Swift bracelets are hanging off some wrists at the Democratic National Convention...