Just an hour after the first presidential debate between Kamala Harris and Donald Trump concluded, Swift’s endorsement of Harris went viral on Instagram.

Swifties are on average white suburban women, a voting block that Democrats have at times lost

The Harris/Walz campaign says it learned about Ms. Swift’s statement at the same time the rest of us did, though the fact that it wasted less than an hour before selling Swiftian friendship bracelets left a different impression. Regardless, Ms. Swift has a history of thinking long and hard before lending her name to a cause.