To explore how Swift’s influence has grown and how the attacks could backfire on the GOP, POLITICO Magazine reached out to Brian Donovan, a University of Kansas professor who teaches a popular college course called “The Sociology of Taylor Swift.” “The Swiftie fan is arguably the most immersive and intense fandom in the U.S. right now,” Donovan said. “And to anger them is just political folly. They are a political force that I don’t think anyone really should mess with.” This interview has been edited for length and clarity. Why is Taylor Swift suddenly at the center of the political...