A disclaimer for Taylor Swift fans who have stumbled upon this review: I am agnostic on Taylor Swift. I’m not for her or against her. I’m passingly familiar with her music, but beyond that I didn’t know much about her origins, her career, or her public persona. If you’re like me in this regard, you’ll still find Lana Wilson’s documentary Miss Americana a captivating watch as it uses Swift’s story to explore a pop icon’s political awakening and her complicated relationship with fame. There’s nothing here to make new Swift fans …