Billionaire megastar Taylor Swift’s endorsement of Vice President Kamala Harris on Tuesday evening is a significant development beyond a typical celebrity endorsement, former White House Communications Director Kate Bedingfield argued on CNN Wednesday — it represents a cultural pushback against former President Donald Trump’s mistreatment of women. Swift’s endorsement, posted to Instagram, explicitly spoke out against Trump’s promotion of fake AI imagery appearing to show her endorsing him — and signed her post “from a childless cat lady,” referencing Ohio Sen. J.D. Vance’s repeated attacks on…