The 2016 presidential election was America’s first test run of the effects of safe-space parenting. Its results were disheartening at best. The scene outside the Javits Center in New York City could have been taken straight out of “The Walking Dead.” As I walked past a cordoned-off portion of the street around the time it became clear the glass ceiling would remain intact, I was forced to step over a disoriented, sobbing woman splayed out on the ground while being interviewed. Her appearance was not dissimilar to Rick Grimes in episode one, season one of the apocalyptic zombie show. What...