Pop superstar Taylor Swift slammed music industry manager Scooter Braun on Thursday after he reportedly bought the rights to her music with what she claims was funding from the family of left-wing billionaire George Soros. Swift made the remarks during her acceptance speech for Billboard’s Woman of the Decade award Thursday evening, calling out the “unregulated world of private equity coming in and buying our music as if it’s real estate — as if it’s an app or a shoe line.”Braun, 38, recently purchased the independent record label Big Machine and the master rights to Taylor’s first six albums, which...