HARRY STYLES wore a dress. You may well know that already even if you don’t follow fashion or music closely. Photos of the British singer in the custom Gucci frock—snapped for the cover of Vogue—swarmed the internet a few weeks ago, sending his brigade of fans into a tizzy. Scads of tweets and online articles recycled the images. And while most of the coverage lauded Mr. Styles for his beguiling, gender-bending outfit, some conservative pundits predictably wrung their hands, interpreting the hubbub as a death knell for the so-called “manly man.” The cover itself was a landmark: Mr. Styles is the first man to grace the…
