After months of anticipation, the curtain has finally been pulled back to reveal Taylor Swift’s “The Life of a Showgirl.” The album arrived on Friday at midnight, delivering upbeat-sounding songs with lyrics that will fuel fierce internet debates for a few weeks. There are pop star beefs, sweet odes to falling in love, meditations on fame and references to Travis Kelce’s “magic wand.” (Yes, that’s right.) The singer has left behind the obsession and sprawl of “The Tortured Poets Department” in