What to know about Taylor Swift’s endorsement of Kamala Harris [Video]

Music superstar Taylor Swift has officially launched her Kamala Harris era.Shortly after the Democratic nominee and former President Donald Trump finished their first, and likely only, presidential debate Tuesday evening, Swift, who is nearing the end of her “Eras Tour,” released a lengthy Instagram post announcing her support for Harris — as well as a link to a voter registration website.She included a photo of herself holding her cat Benjamin Button, and she signed the message Childless Cat Lady — a reference to 2021 comments made by JD Vance, Trump’s running mate, about how women without children don’t really have a stake in the country’s future.The endorsement isn’t the first time Swift has waded into politics, but it ends months of speculation over whether she’d pick a side in this year’s presidential tilt. Here’s what to know:Why did Swift pick Harris?In her Instagram post, Swift said she would be voting …