All happy families are alike; some unhappy families are unhappy because of Fox News. You might have come across the articles (“I Lost My Dad to Fox News” / “Lost Someone to Fox News?” / “‘Fox News Brain’: Meet the Families Torn Apart by Toxic Cable News”), or the Reddit threads, or support groups on Facebook, as people have sought ways to mourn loved ones who are still alive. The discussions consider a loss that Americans don’t have good language for, in part because the loss itself is a matter of language: They describe what it’s like to find yourself...