HYANNIS – This will end with a break-up song. That’s the going bet. After that, there are just questions upon questions cascading out of the central riddle: What is Taylor Swift up to with the Kennedys? The basic story involves a 22-year-old pop star engaged in a summer romance with an 18-year-old boy whose last name is Kennedy. Swift moved swiftly into her role as a Kennedy woman. And her style shifted decidedly Jackie O.
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