by Emily Jashinsky (@emilyjashinsky) Taylor Swift entered her 30s with a new gusto for progressive politics, campaigning against Donald Trump, leaning into her childless cat lady era, and lamenting “1950s sh-t.” At the age of 35, though, Swift is literally singing a different tune. Engaged and happy, Swift is like many Millennial women who flirted with rebellion but eventually succumbed to tradition. One only needs to listen to some of the songs on her new album to hear it, as the pop qu...